London: Women are almost twice as likely to experience anxiety as men, according to a review of existing scientific literature, led by the University of Cambridge. The study also found that people from Western Europe and North America are more likely to suffer from anxiety than people from other cultures.

Washington: A new study is further burnishing copper’s reputation as an essential nutrient for human physiology. A research team led by a scientist at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and at the University of California, Berkeley, has found that copper plays a key role in metabolizing fat.

Washington: Teenagers, particularly boys, who try to kill themselves or are close with someone who attempted suicide could face a higher rate of risk factors for heart disease in their twenties, according to research published by the American Psychological Association.

Washington: Researchers have developed an integrated, wearable system that monitors a user’s environment, heart rate and other physical attributes with the goal of predicting and preventing asthma attacks. The researchers plan to begin testing the system on a larger subject population this summer.

Washington: When new AIDS virus particles bud from an infected cell, an enzyme named protease activates to help the viruses mature and infect more cells. That’s why modern AIDS drugs control the disease by inhibiting protease.

Toronto: Artificial sweeteners help individuals with obesity to cut calories and lose weight but may have negative health effects, according to researchers at York University's Faculty of Health.

Hamilton: A large worldwide study has found that, contrary to popular thought, low-salt diets may not be beneficial and may actually increase the risk of cardiovascular disease and death compared to average salt consumption.

Birmingham: New research from the University of Birmingham has shown that flu vaccinations are more effective when administered in the morning.

Washington: Researchers at McMaster University have found that a single minute of very intense exercise produces health benefits similar to longer, traditional endurance training.

Schaumburg: Skin cancer can affect anyone, regardless of age, race or gender. When it comes to skin cancer prevention and detection, however, it seems that men need to brush up on their knowledge.