Top medical news headlines for the week 25

At 85 and healthy? Why more medicine may do more harm

When a patient has made it to 85 years old in reasonable health, their instinct—and often their physician's—is to redouble prevention efforts, optimize every number and close every gap. I want to argue the opposite.

Cuddling cats might make us feel worse when under stress

Researchers just got one step closer to solving the age-old question of whether cats or dogs make better pets. A team in the Netherlands set out to better understand the nuances and underlying mechanisms behind the positive ...

Shingles vaccine may lower dementia risk, study suggests

Older adults who received a shingles vaccine after a stay in a skilled nursing facility had a 24% lower risk of being diagnosed with dementia over a four-year period than those who were not vaccinated, according to a new ...

How early life experiences shape schizophrenia risk

Carnegie Mellon University and University of California, San Francisco researchers have found that childhood trauma, poverty, social isolation and other adverse life experiences are associated with brain changes linked to ...