Cell membranes are fluid, chaotic structures composed mainly of fatty molecules. Forming critical barriers between cells’ contents and their surroundings, these membranes also contain important proteins that allow cells to communicate with the outside world.

Every 42 seconds someone in the U.S. has a heart attack. Just after noon on March 26, 2016, Julie Kubala, become one of those statistics. She’s working now to ensure she doesn’t become a different one – about 21 percent of women and 17 percent of men age 45 and older will have another heart attack within five years of their first one.

The U.S. Food and Drug Administration today issued draft updated recommendations to help manufacturers determine when they are required to notify the FDA about modifications made to certain medical devices already on the market, including a separate guidance applicable to software devices.

Scientists have discovered 15 genome sites — the first ever — linked to depression in people of European ancestry. Many of these regions of depression-linked genetic variation turn out to be involved in regulating gene expression and the birth of new neurons in the developing brain.

The Agency for Toxic Substances and Disease Registry’s (ATSDR) National ALS Registry today released its second report on the prevalence of amyotrophic lateral sclerosis (ALS, commonly known as Lou Gehrig’s disease) in the United States for the years 2012 and 2013. The report shows the Registry identified 14,713 and 15,908 people, respectively, who met the surveillance case definition of ALS. The estimated ALS prevalence rate was 4.7 cases per 100,000 U.S. population for 2012 and 5.0 cases per 100,000 for 2013.

CDC announces the selection of Samuel S. Edwin, Ph.D., to become the new director of the agency's Division of Select Agents and Toxins (DSAT).