Weight training and aerobics lower early death risk, study finds

Editor’s Note: Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide up will help you ease into a healthy routine, backed by experts. CNN  —  Aerobic activities…

Our personalities may have changed thanks to the pandemic, study finds

Editor’s Note: Sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inform and inspire you to reduce stress while learning how to harness it. CNN  — …

Frozen embryos tied to higher risk of high blood pressure-related pregnancy complications, study suggests

CNN  —  Pregnancies from in vitro fertilization using frozen embryos appear to be linked to an increased risk of complications related to high blood pressure, or hypertensive disorders, compared with…

Study links Covid-19 vaccination to small, temporary change in menstrual cycle

CNN  —  People who got the Covid-19 vaccine reported slightly longer menstrual cycles, but the change was temporary, according to a new study published Tuesday in the journal BMJ Medicine.…

Drug overdose death rates highest among American Indian people and middle-age Black men, study shows

For people ages 15 to 34, White people had the highest rate of overdose deaths in 2018. But between 2018 and 2021, rates increased faster among other racial and ethnic…

Night owls have higher risk of diabetes, heart disease, study says

Sign up for the Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. CNN  —  If you prefer to go to bed and get…

New Alzheimer’s diagnoses more common among seniors who have had Covid-19, study finds

The study does not show that Covid-19 causes Alzheimer’s, but it adds to the growing body of research drawing links between coronavirus infection and cognitive function. “​​In the Alzheimer’s disease…

Daily multivitamin potentially linked with improved cognition in older adults in new study

“I have to use the word ‘shocked,’ ” Baker said. The researchers — from the Wake Forest University School of Medicine, in collaboration with Brigham and Women’s Hospital in Boston…

Ketamine infusions improve symptoms of depression, anxiety and suicidal ideation, study says

CNN  —  People who got intravenous ketamine at three private ketamine infusion clinics had “significant improvement” in symptoms of depression, anxiety and suicidal ideation, a new study says. The study,…

Covid-19: New Omicron offshoot BA.4.6 evades protection of Evusheld antibodies, study finds

BA.4.6 is an offshoot of the BA.4 subvariant of the Omicron coronavirus variant. Only a couple of mutations separate it from its predecessor, but it is slowly gaining ground in…