Medical research

Some sunscreen ingredients may disrupt sperm cell function

Many ultraviolet (UV)-filtering chemicals commonly used in sunscreens interfere with the function of human sperm cells, and some mimic the effect of the female hormone progesterone, a new study finds. Results of the Danish ...

Cardiology

Slow heart rate does not increase risk of heart disease

Bradycardia - a slower than normal heartbeat - does not increase the risk of developing cardiovascular disease, according to a study conducted by researchers at Wake Forest Baptist Medical Center. The study is published in ...

Medical research

High-intensity exercise changes how muscle cells manage calcium

Researchers at Karolinska Institutet in Sweden have discovered a cellular mechanism behind the surprising benefits of short, high-intensity interval exercise. Their findings, which are published in the scientific journal ...

Cardiology

Ranolazine bests old school antianginal medications

(HealthDay)—Newer antianginal (AA) medications such as ranolazine show substantial outcome improvements in chronic stable angina pectoris (CSA) compared to traditional medications, according to a study published in the ...

Neuroscience

Researchers discover an epilepsy switch

Scientists at the University of Bonn and the Hebrew University of Jerusalem (Israel) have decoded a central signal cascade associated with epileptic seizures. If the researchers blocked a central switch in epileptic mice, ...

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