Health & Wellness

Find reliable insights on physical health, mental wellness, nutrition, and fitness. This category curates evidence-based articles to inspire healthier lifestyles and informed choices.

It’s possible to get addicted to pot. Here’s what to know

Dr. Smita Das often hears the same myth: You can’t get hooked on pot. And the misconception has become more widespread as a growing number of states legalize marijuana. Around half now allow recreational use for adults and 40 states…

Hidden microglia switch helps protect the brain from Alzheimer’s

Scientists discovered that lowering a specific molecule helps microglia switch into a protective state that quiets brain inflammation in Alzheimer’s. A small group of these cells seems to have an outsized ability to keep the brain healthier. When a key…

New nasal nanodrops wipe out brain tumors in mice

A new nasal-delivered nanotherapy shows promise against aggressive glioblastoma tumors. By activating the STING immune pathway using gold-core spherical nucleic acids, researchers were able to reach the brain without invasive surgery. When paired with drugs that boost T-cell activity, the…

Stem cell therapy helps AMD patients see again

A first-of-its-kind trial is testing adult stem cell transplants for advanced dry macular degeneration. Early results show the treatment is safe and can significantly improve vision, even in severely affected patients. Participants gained measurable sight improvements in the treated eye.…

Just a few cigarettes a day can damage your heart for decades

People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see their risk of heart failure…