Bluesky Facebook Reddit Email

Reducing sodium leads to substantial drop in blood pressure, finds NHLBI study

A recent NHLBI study found that reducing sodium intake, combined with either a typical U.S. diet or the DASH diet, substantially lowered blood pressure in persons with high blood pressure and those at higher than optimal blood pressure levels. The DASH-Sodium study found that lower sodium intake resulted in lower blood pressures for bo...

Bad marriages exacerbate high blood pressure

A study published in Archives of Internal Medicine found that unhappy marriages increase blood pressure in people with mild hypertension, while good marriages are protective. Participants who experienced marital discord had a statistically significant thickening of the heart's left ventricle after three years.

I love you, but you're making me sick

A new study found that people in unhappy relationships with mild high blood pressure experience sustained increases in blood pressure, while those in loving relationships show a decrease. The research suggests that marital distress may be a significant factor in raising blood pressure in vulnerable individuals.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Calcium channel blockers not as effective as other drugs

Researchers found that calcium channel blockers (CCBs) were significantly less effective at preventing heart attacks, heart failure, and cardiovascular events compared to ACE inhibitors, beta-blockers, and diuretics. The study analyzed over 27,000 patients and showed a 26% higher risk of heart attack among CCB users.

Study finds blacks have a higher rate of mortality

A new study found that blacks have a higher mortality rate than whites after coronary artery bypass surgery (CABG), with hypertension being a significant factor. The study suggests that blacks may be more prone to severe and frequent ventricular hypertrophy, an enlargement of the heart's chambers.

Heavy meals may trigger heart attacks

A study by American Heart Association finds that consuming heavy meals may trigger heart attacks, increasing risk by about four times within two hours. The research suggests that eating a large meal can lead to temporary rises in blood pressure and heart rate, potentially causing heart attacks or strokes.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Korean Americans at risk for high blood pressure

A Johns Hopkins study found that one-third of Korean Americans have high blood pressure, with almost 75% not controlling it. The prevalence is 32%, much higher than the American rate of 24% and Korean rate of 22%. English-speaking ability directly impacts hypertension control among Korean Americans.

NHLBI publishes update on high blood pressure in pregnancy

The new report clarifies how to monitor and treat pregnant women with hypertension before and during pregnancy. It highlights the importance of differentiating between hypertension and preeclampsia, a condition that affects the placenta, kidney, liver, and brain, and can lead to severe complications for both mother and child.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Fine-tuning a blood pressure regulator

Deleting the b1 subunit of the BK channel in mice causes high blood pressure and enlarged hearts, suggesting it as a promising target for anti-hypertension drugs. The study provides a new model for investigating the molecular basis of hypertension.

Tracking a genetic basis for alcohol-related hypertension

A study in mice found that genetic background influences blood-pressure response to acute alcohol exposure, with some strains experiencing increased blood pressure and others not. The findings suggest a predisposition to greater increases in blood pressure with alcohol consumption, potentially leading to hypertension.

Drugs found to protect the kidneys

A study by the NIH found that ACE inhibitors and beta blockers significantly reduced kidney failure risk compared to calcium channel blockers. High blood pressure management has improved stroke and heart disease risks, but kidney failure remains a concern for African Americans.

Building bulkier smooth muscle cells through endoreduplication

Research demonstrates that increased Akt1 function is sufficient to produce tetraploid smooth muscle cells in hypertensive or aging arteries. Cyclin B degradation is prematurely triggered in these cells, allowing for extra rounds of DNA synthesis and cell growth.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Blood pressure-lowering DASH diet also reduces homocysteine

The DASH diet, known for its blood pressure-lowering effects, also reduces homocysteine levels, a risk factor for heart disease. Participants on the DASH diet had lower homocysteine levels compared to those on a control diet or one rich in fruits and vegetables.

Swiss research team receives American award

A Swiss research team led by Peter Buehlmayer has discovered valsartan, a drug controlling high blood pressure without side effects. The team's work has improved the lives of millions worldwide, offering hope for those affected by hypertension.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

NIH study to examine causes of hypertension

Researchers aim to identify a faulty switch in the brain controlling pain, which may also contribute to high blood pressure. The study could provide doctors with an additional tool to prevent hypertension and potentially lead to a new drug treatment.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Mutation causes dangerously high blood pressure during pregnancy

Researchers discovered a mutation in the mineralocorticoid receptor gene, leading to dangerously high blood pressure in pregnant women. The mutation renders the receptor more sensitive to progesterone, causing excessive salt retention and skyrocketing blood pressure.

Sleep apnea likely to lead to hypertension

Researchers found that even mild to moderate sleep apnea significantly increases the risk of hypertension, with graver levels associated with higher likelihood. The study used data from the Wisconsin Sleep Cohort Study and found a substantial risk of hypertension in those with mild to moderate sleep apnea.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

NHLBI issues new clinical advisory on systolic blood pressure

The NHLBI has released a clinical advisory emphasizing the importance of systolic blood pressure in diagnosing and treating hypertension in middle-aged and older adults. The guideline recommends reducing systolic blood pressure to less than 140 mm Hg to reduce heart attack, heart failure, and stroke risk.

High blood pressure, cholesterol and weight increase dementia risk

A new study finds that men with high blood pressure, weight and cholesterol levels in their 50s are more likely to develop vascular dementia in their late 70s. The research suggests that reducing these risk factors may help delay the onset of dementia, but more large-scale studies are needed to confirm the findings.

Scientists pump genome for hypertension genes

Researchers have located 67 gene regions in hypertensive rats that are also linked to high blood pressure in humans. This study uses a genome-wide approach to pinpoint the exact genes involved in human hypertension, accelerating the search for potential treatments.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Lower blood pressure during pregnancy

A study by a University of Michigan School of Nursing professor found that moderate exercise can lower diastolic blood pressure in pregnant women, reducing the risk of developing gestational hypertension. The randomized trial involved 16 high-risk women who engaged in treadmill or bicycle exercise three days a week for 10 weeks.

NHLBI study shows relationship between sleep apnea and hypertension

A large-scale NHLBI study found a significant relationship between sleep apnea and hypertension, with middle-aged adults at highest risk. The study revealed that even moderate levels of sleep apnea can increase the risk of hypertension in all participants, regardless of age or weight.

Hypertension drug effective at preventing atherosclerosis

Researchers found that Losartan reduced fatty streak development in monkeys fed a high-fat diet by 50%, suggesting the drug's potential in preventing atherosclerosis. The study suggests treating hypertension and cholesterol together may improve heart attack prevention statistics.

High blood pressure, medications increase diabetes risk

A study led by Johns Hopkins found that patients with high blood pressure taking beta blockers were 28% more likely to develop diabetes than those not taking the medication. In contrast, thiazide diuretics were associated with a lower risk of diabetes.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Depression and anxiety linked to hypertension

A two-decade study found that depression and anxiety are associated with an increased risk of developing hypertension. The risk was highest among black women, who faced a substantially higher risk compared to white women and men. Controlling for other risk factors did not change the result.

Blood pressure during sleep may be important too

A Mayo Clinic study found that blood pressure levels differ equally between day and night, potentially increasing the risk of heart disease and stroke. The researchers monitored 240 healthy people for 20 consecutive hours, revealing significant variations in blood pressure during sleep.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Link between hopelessness and hypertension

A study of 616 middle-aged men from Finland found that those experiencing high levels of hopelessness were three times more likely to develop hypertension. The link between hopelessness and cardiovascular disease is considered a critical factor in increased risk, independent of other known risk factors.

UI study looks at cellular mechanism involved in hypertension

A University of Iowa researcher has found that ion channels in the kidney play a critical role in regulating blood pressure and that a hormone called vasopressin stimulates these channels to increase sodium absorption, leading to hypertension. The study provides new insights into Liddle's syndrome, a rare genetic form of hypertension.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Estrogen shows promise in warding off heart disease in young rats

Researchers found that supplemental estrogen prevented hypertension in 3-month-old female rats with healthy hearts, but not in 17-month-old rats who already had hypertension. The study suggests that estrogen supplementation may be beneficial for women nearing or going through perimenopause, where estrogen levels decline.

Vitamin C can reduce high blood pressure, study finds

A 500mg daily vitamin C supplement reduced systolic, diastolic, and mean blood pressures by approximately 9% in hypertensive patients. Vitamin C's antioxidant properties may help protect nitric oxide levels and maintain healthy blood pressure.

High blood pressure increases risk of cognitive decline in elderly

A study published in Neurology found that high blood pressure is associated with a higher risk of severe cognitive decline, particularly in those with untreated or uncontrolled hypertension. The study suggests that controlling high blood pressure may help prevent or delay dementia.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Personal approach reduces high blood pressure in black men

A two-year study of 309 hypertensive urban African American men found that personalized care improved blood pressure control rates by an average of 39%. The team intervention showed a slightly higher improvement rate compared to the standard education and referral group.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Decreased pain perception may help to identify hypertension risk

Research suggests that decreased perception of pain, or hypoalgesia, may precede the onset of hypertension in individuals at high risk. The study found that men and women with hypertension are more likely to suffer an unrecognized myocardial infarction due to suppressed chest pain during episodes of myocardial ischemia.

Researchers find elevated cholesterol is risk factor for preeclampsia

Elevated cholesterol levels are associated with an increased risk of preeclampsia, a pregnancy complication that can lead to seizures, liver or kidney failure, and premature delivery. Women with high cholesterol before pregnancy are more likely to develop the condition, which affects thousands of women each year.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

New study confirms importance of systolic blood pressure

A new study from the National Heart, Lung, and Blood Institute finds that systolic blood pressure is more accurate than diastolic pressure in identifying patients with hypertension. The study suggests that future treatment guidelines may emphasize systolic pressure, which correctly classified nearly 96% of patients.

Education may help the fight against high blood pressure

A recent study suggests that teens from low-SES neighborhoods with higher educated parents exhibit reduced blood pressure responses to stress. This finding reinforces the importance of education in mitigating health risks for adolescents.

Hormone linked to body weight may help regulate blood pressure

Researchers have found a potential link between leptin and high blood pressure in a study of over 300 healthy adults. Higher levels of leptin were associated with higher diastolic blood pressure, suggesting that leptin may play a role in regulating blood pressure.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

UCSF team identifies gene crucial to blood pressure regulation

A UCSF team has identified a key gene, sgk, that regulates blood pressure by mediating the effects of aldosterone. The discovery could lead to more effective therapies for hypertension and low blood pressure, two conditions affecting millions of Americans.