A new intranasal influenza vaccine has been shown to provide 93% protection against the flu in healthy young children. The vaccine was well-tolerated and safe for administration in a nasal spray format, offering an attractive alternative to traditional injection-based vaccines.
Researchers found a significant link between maternal cigarette smoking and conduct disorder in boys, with 80% of sons of smokers developing the condition. The study suggests that nicotine may disrupt fetal brain development, highlighting the importance of preventing such disorders.
Recent satellite and in-situ measurements reveal no definitive warming trend in the tropical free troposphere over the past two decades. The low humidity in this region allows more infrared radiation to escape from the Earth, cooling the atmosphere. Current computer models inaccurately handle humidity processes in this region.