Jan. 18, 2026 — Scientists have discovered that breast cancer can quietly throw the brain’s internal clock off balance—almost immediately after cancer begins. In mice, tumors flattened the natural daily rhythm of stress hormones, disrupting the brain-body ...

Dec. 11, 2025 — Rats with naturally high stress levels were far more likely to self-administer cannabis when given access. Behavioral testing showed that baseline stress hormones were the strongest predictor of cannabis-seeking behavior. Lower cognitive flexibility ...

Aug. 28, 2025 — Using cannabis to self-medicate comes with hidden dangers—new research shows these users face higher paranoia and consume more THC. Childhood trauma further amplifies the risks, especially emotional abuse, which strongly predicts ...

Feb. 14, 2025 — Scientists have developed a new systematic review to summarize for neurologists and other clinicians the evidence for epidural steroid injections and whether they reduce pain and disability for people with certain kinds of chronic back ...

Feb. 11, 2025 — Scientists have discovered a new way to boost muscle strength without the dangerous side effects of traditional androgens. A powerful male hormone called 5α-DHT normally drives bone density and muscle growth but can also fuel problems like prostate ...

Jan. 30, 2025 — Women who go on to develop postpartum depression (PPD) may have characteristic levels of neuroactive steroids, molecules derived from the hormone progesterone, in their blood during the third trimester of pregnancy, according to a new study. These ...

Dec. 12, 2024 — New research shows that glioblastoma has an internal clock and syncs its daily rhythms to match -- and take advantage of -- the rhythms of its host. In this way, brain tumors grow in response to the host's daily release of steroid hormones like ...

Nov. 15, 2024 — Stress is a double-edged sword when it comes to memory: stressful or otherwise emotional events are usually more memorable, but stress can also make it harder for us to retrieve memories. Now, neuroscientists report that acute stress prevents mice ...

Oct. 31, 2024 — Men and adolescent boys are increasingly at risk of resorting to the dangerous use of anabolic steroids in a bid to achieve the desired muscular build modeled on social media, warn body image experts. A new review that focused specifically on men ...

Apr. 11, 2024 — Childhood verbal abuse by adults costs society an estimated $300 billion a year globally, show recent ...

Mar. 7, 2024 — A research team has examined the link between adverse childhood experiences and the risk of mental health problems later in life. The researchers have found that the risk of suffering from mental ...

Jan. 26, 2024 — Previous research has established that childhood experience with abuse, neglect, and substance use in the home can worsen a person's heart health throughout their life. New research, however, now ...