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Science News Archive 2002 - Page 19


Page 19 of 93

Energy density labels do not encourage overeating

A study published in the journal Appetite found that energy density labels do not lead to increased food intake among normal-weight women. The research suggests that people take the same portion sizes regardless of calorie content, making it easier for manufacturers and restaurants to create healthier products.

SourcePenn State·JournalAppetite·DateOct 21, 2002

World-first gene therapy for cystic fibrosis targets lung stem cells?

Researchers have developed a novel system of gene therapy that targets lung stem cells to treat cystic fibrosis. By using a natural compound found in the lungs, the therapy enables airway cells to take up the therapeutic gene and shows substantial recovery from the disease defect.

A patient's view on clinical trials

A patient's view on clinical trials highlights the importance of thorough explanations, confidentiality, and compassionate communication. Sylvia Achin emphasizes that patients risk losing their priorities, relationships, and even support when faced with a life-threatening disease like cancer. Effective communication can help alleviate ...

Cleaner air linked to reduced death rates

Two studies found that reducing air pollution through coal bans and emission controls leads to significant decreases in mortality rates, particularly for respiratory and cardiovascular diseases. Estimated reductions include 116 respiratory deaths and 243 cardiovascular deaths per year.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 17, 2002

Galacter merger leaves behind telltale blue arc

Astronomers have identified a vivid scar in the Centaurus A Galaxy, composed of clusters of young blue stars formed after the galaxy absorbed a smaller satellite galaxy 200 million to 400 million years ago. The discovery suggests absorption of smaller galaxies may contribute to galactic halo formation.

SourceJohns Hopkins University·JournalThe Astrophysical Journal Letters·DateOct 17, 2002

People near freeways are exposed to 30 times the concentration of dangerous particles

Research reveals that people near freeways are exposed to 30 times more ultrafine particles, linked to neurological changes and cardiovascular problems. The study measured particle concentrations near two major freeways in Los Angeles, finding a significant decrease in particle concentration with distance from the freeway.

SourceUniversity of California - Los Angeles·JournalJournal of the Air & Waste Management Association·DateOct 17, 2002

Steep increase in antidepressant use, study shows

A Canadian study found a 353% increase in antidepressant prescriptions from 3.2 million to 14.5 million between 1981 and 2000, outpacing the country's population growth. The study suggests increased awareness and better understanding of depression may be contributing factors, but the underlying cause remains unclear.

SourceUniversity of Toronto·JournalAnnals of Pharmacotherapy·DateOct 16, 2002