Semaglutide extended lifespan in older female mice
In a Nature study, semaglutide extended median lifespan by 92 days in older female mice and reproduced many effects of calorie restriction.
Xylitol in Chewing Gum and Sugar-Free Foods Linked to Higher Heart Attack and Stroke Risk, Large Study Suggests
Aug 30, 2026
mRNA COVID vaccines may improve survival in cancer patients on immunotherapy
Aug 25, 2026
Personalized mRNA cancer vaccine meets Phase 3 melanoma endpoints
Aug 19, 2026
Infant formula recall: what the ByHeart alert means for parents
Aug 18, 2026The latest, in bite-sized science
Fresh discoveries and health headlines, curated from top journals and explained so anyone can follow.
Pediatrics & Child HealthInfant formula recall: what the ByHeart alert means for parents
Two batches of infant formula were recalled. Here's how to check and what to do.
Read the Full Bite →
Cardiovascular HealthStopping statins after 75: what a randomized trial found
In a randomized trial of adults 75 and older without prior heart disease or stroke, stopping statins did not increase deaths over three years, although LDL cholesterol rose sharply.
Read the Full Bite →
PharmacologyGLP-1 drugs, explained: how they work, what they treat, and what’s next
GLP-1 drugs now treat far more than diabetes and weight. A clear guide to how they work, which are approved, how well they work, and what is coming next.
Read the Full Bite →
Infectious DiseaseCyclospora outbreak linked to 2 deaths as US case count climbs past 6,700
A summer surge of Cyclospora — a microscopic parasite that rides in on fresh produce — has infected thousands across 31 states, and investigators still can't name the food behind it.
Read the Full Bite →
Infectious DiseaseCould a diabetes drug ease long COVID? A new home-based trial
Scripps researchers are testing tirzepatide against long COVID — entirely from participants' homes.
Read the Full Bite →
Diabetes & MetabolismHow exercise ‘texts’ your muscles to fight diabetes
Working out releases tiny cellular packages that may protect against type 2 diabetes.
Read the Full Bite →Editor’s picks
Hand-picked bites we think are worth your time — whether you’re new here or returning.
Vaccines & ImmunizationHow mRNA went from lab curiosity to household word
The technology behind COVID vaccines is now aimed at cancer and more.
Read the Full Bite →
Genetics & GenomicsCRISPR, explained without the hype
The gene-editing tool that's already curing some diseases — and its real limits.
Read the Full Bite →
Immunology & AutoimmuneThe virus behind infectious mononucleosis may trigger lupus and MS
Stanford researchers add to evidence linking Epstein-Barr virus to autoimmune disease.
Read the Full Bite →
Cancer & OncologyTeaching the immune system to fight glioblastoma
An immunotherapy trial offers cautious hope against one of the deadliest brain cancers.
Read the Full Bite →
Mental HealthADHD stimulants may work through arousal, not attention
A new study suggests Ritalin and Adderall act on reward and alertness circuits — not 'focus' directly.
Read the Full Bite →
PharmacologyGLP-1 drugs: beyond weight loss
The blockbuster class started with diabetes and keeps finding new frontiers.
Read the Full Bite →Bridging research and reality
Bites of Bio breaks down complex ideas in health, medicine, and life sciences into short, digestible insights that anyone can understand. From new discoveries in top journals to expert insights across the web, we curate and simplify the best of biology — for students, professionals, patients, and the simply curious.
Our mission is to keep you informed, inspired, and connected to how biology shapes your everyday world. Every bite is evidence-based, jargon-free, and short enough to actually finish.
Explore the Topics →Story & mission
Started by a science communicator tired of watching great research get lost in dense PDFs and paywalls. Bites of Bio translates the signal — not the hype — into plain language you can trust and share.
What makes us different
We simplify without dumbing down. Every summary links back to primary sources, flags uncertainty honestly, and never turns a single study into a miracle cure.
FDA approvals, clearly explained
What each approved drug does, who it is for, and why it matters — minus the regulatory jargon.
FDA ApprovedFDA approves Mimrylo (rusfertide), first hepcidin mimetic for polycythemia vera
Rusfertide reduced phlebotomy burden and improved hematocrit control in the 293-patient phase 3 VERIFY trial, leading to FDA approval for adults with polycythemia vera.
Read the Full Bite →
FDA ApprovedFDA approves Zanvastro (zilganersen), first treatment for Alexander disease
Zilganersen is the first FDA-approved treatment for Alexander disease, after a pivotal randomized study showed better preservation of gait speed at 61 weeks.
Read the Full Bite →
FDA ApprovedFDA approves Etcamah (camizestrant) for ESR1-mutated advanced breast cancer
Camizestrant plus a CDK4/6 inhibitor extended median progression-free survival from 9.2 to 16.0 months after an ESR1 resistance mutation emerged before imaging progression.
Read the Full Bite →Free health & fitness calculators
Thirteen instant, private calculators — BMI, BMR, TDEE, body fat, macros, heart-rate zones and more — using standard published formulas.