Why some US football players have higher cardiovascular risk

Research has shown that while elite athletes overall are at decreased risk of death from cardiovascular problems, a certain group of athletes — football linemen in the United States — actually have higher risk than the general population than other elite athletes.

Read more

A rat's brain, on and off methamphetamine

Drug addiction is a vicious cycle of reward and withdrawal. Chronic users often relapse because of the unpleasant physical and psychological symptoms they experience when they stop taking the drug. Now, researchers report metabolic changes in the brains of rats during methamphetamine self-administration and withdrawal that could help identify biomarkers and treatments for addiction.

Read more

Shipment tracking for 'fat parcels' in the body

Without fat, nothing works in the body: These substances serve as energy suppliers and important building blocks — including for the envelopes of living cells. Numerous diseases are related to disorders in the fat metabolism, such as obesity or cancer. Researchers are now demonstrating how the fat metabolism can be monitored down to the individual liver cell of a mouse with the greatest sensitivity.

Read more