For decades, we were told to choose low-fat dairy. New research says otherwise
Full-fat dairy may be healthier than conventional advice has suggested. In a 12-week study, adults who ate three servings a day showed no meaningful increases in weight, body fat, cholesterol,…
Frequent cannabis users wake up with their “stress hormone” already elevated
Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress rhythms could be disrupted. Researchers say the finding raises questions about…
Cutting sweet foods doesn’t curb cravings or improve health
Changing how much sweet-tasting food people eat may not change how much they crave or enjoy sweetness after all. In a six-month trial, researchers found that people assigned to high-,…
A protein older than blood circulation could transform cancer immunotherapy
A protein that evolved long before the human circulatory system may help unlock stronger cancer treatments. When C3 is produced inside tumors, it blocks immune-suppressing cells and gives immunotherapy a…
Scientists reveal how much exercise you really need to protect your heart
Getting the recommended 150 minutes of moderate-to-vigorous exercise each week may offer only modest protection against heart attacks and strokes. A large study suggests that substantially greater benefits may require…
Teen cannabis use linked to slower memory and thinking growth
Teens who start using cannabis may experience slower growth in memory, attention, language, and processing speed. Their abilities often developed normally at first, then began leveling off while nonusers continued…
Scientists discover a hidden brain shift that begins around age 50
Beginning around age 50, the brain’s memory center appears to lose many of its longtime immune cells and replace them with more inflammatory ones. This surprising shift may help explain…
Wearable ultrasound patch boosts REM sleep without drugs or surgery
A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time…
Scientists tracked 12 people in Antarctica for 10 months—what happened could shape future Mars missions
A ten-month Antarctic experiment found that astronauts may struggle not only with loneliness but also with spending too much time around the same people. Frequent contact was linked to greater…
New autism therapy shows surprising benefits even in adult mice
Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in human brain organoids and showed…















