Cardiology

Study helps explain why exercise guards against heart disease

Regular exercise protects the cardiovascular system by reducing risk factors such as cholesterol and blood pressure. "But we believe there are certain risk factors for cardiovascular disease that are not fully understood," ...

Oncology & Cancer

The gut may be the ticket to reducing chemo's side effects

In a new study, scientists observed several simultaneous reactions in mice given a common chemotherapy drug: Their gut bacteria and tissue changed, their blood and brains showed signs of inflammation, and their behaviors ...