Do Human Pheromones Actually Exist? What Science Says About Smell and Attraction
Perfume marketers promise irresistible chemistry in a bottle. The evidence is far less convincing — but the science of human smell is more interesting than the myth.
15 min read
How Do You Humanely Euthanize a 30-Ton Whale?
When a great whale washes ashore, it cannot be saved by ordinary means and cannot die without prolonged suffering. A small group of veterinarians has spent years working out a third path.
Red Light Therapy: What the Science Actually Says
From TikTok masks to clinical photobiomodulation, here's where red light therapy works, where it doesn't, and how to use it safely.
Hepatitis in Children: Types, Symptoms, and What Every Parent Should Know About Liver Health
From the five known hepatitis viruses to the mysterious 2022 outbreak that baffled scientists worldwide, here is what the evidence says about protecting children's livers — and the warning signs you should never ignore
Life After Amputation: Recovery, Modern Prosthetics & Mental Health
Losing a limb — whether from trauma, diabetes, or vascular disease — changes everything. But decades of research show that rehabilitation, prosthetic technology, and psychological support can restore function, independence, and quality of life far beyond what most people expect.
Dementia Caregiving: How to Help Your Loved One Without Losing Yourself
The toll on caregivers is enormous and measurable — here is what research says about surviving the hardest unpaid job in healthcare while protecting your own body and mind
Nuclear Emergencies and Radiation Health: What You Actually Need to Know to Protect Yourself
A science-based guide to radiation exposure, potassium iodide, sheltering in place, decontamination, acute radiation syndrome, long-term cancer risk, and why your medication list belongs in your emergency kit
Cerebral Palsy: A Parent's Evidence-Based Guide to Types, Treatment, and Long-Term Support
Cerebral palsy is the most common motor disability in childhood, affecting roughly 1 in 345 children. It is not a disease that worsens over time, not a reflection of parenting, and not a condition with a single trajectory. Here is what the research says about its causes, the classification system that predicts function better than any diagnosis alone, the therapies with real evidence behind them, the treatments to avoid, and how to support both your child and yourself for the long road ahead.
Anesthesia: Types, Risks, and What Actually Happens When You Go Under
Modern anesthesia is safer than driving to the hospital, but fear of "going under" keeps millions from necessary procedures — here's what the evidence says about how anesthesia works, what the real risks are, and how to prepare
Antibiotics: When You Actually Need Them, When You Don't, and How to Take Them Correctly
Most antibiotic prescriptions for colds, flu, and sore throats are unnecessary — every wrong course damages your gut, feeds resistant bacteria, and makes the drugs less likely to work when you truly need them. A practical, evidence-based guide to using antibiotics safely.
Communicating With Children Who Have Disabilities: An Evidence-Based Guide for Parents, Families, and Everyone Else
The language you use, the assumptions you make, and the way you interact with disabled children shapes their self-image, their opportunities, and their mental health — here is what the research says about getting it right
Why Tracking One Health Metric at a Time Doesn't Work
Your body is an interconnected system — tracking weight, mood, sleep, and medication in isolation misses the patterns that matter most
Monthly Self-Exams: The Health Habit Most People Forget
Breast, testicular, and skin self-examinations take minutes but can catch problems early — the key is remembering to do them
How to Track Whether Your Medication Is Affecting Your Weight
Antidepressants, steroids, beta-blockers, and GLP-1 drugs all shift the scale — here's how to separate drug effects from normal fluctuation using data
Medication Side Effects or Nocebo? How a Journal Helps You Tell the Difference
Over 50% of reported medication side effects may be driven by expectation, not pharmacology — daily tracking separates real drug reactions from anxiety-driven symptoms
5 Health Connections Your Data Can Reveal
Sleep affects pain. Fasting reshapes weight. Stress disrupts sleep. These aren't abstract theories — they're patterns hiding in your daily health data.
Earthquake Safety & First Aid: What to Do Before, During, and After the Ground Shakes
Evidence-based guidance on Drop-Cover-Hold, crush injuries, psychological first aid, and why your medication list might be the most important thing in your emergency kit
The Gut-Brain Connection: How Your Microbiome Affects Your Mental Health
The trillions of microbes in your digestive tract produce neurotransmitters, train your immune system, and communicate directly with your brain — reshaping how we understand anxiety, depression, and emotional resilience
Vitamin D Deficiency: The Silent Epidemic You Might Have
An estimated 42 percent of American adults are vitamin D deficient — and most have no idea. From bone pain and fatigue to depression and immune dysfunction, this hormone masquerading as a vitamin affects nearly every system in your body.
Grooming: How to Recognize the Warning Signs, Protect Children & Respond to Abuse
What every parent and caregiver needs to know about how predators build trust — and the evidence-based steps that actually keep kids safe
Intersex Variations: Biology, Healthcare & What Everyone Should Know
The science of sex development is far more complex than XX and XY — here is what intersex variations actually are, how they affect health, and why informed consent matters
Sex Education at Home: An Age-by-Age Health Guide for Parents
What the research says about when and how to talk to children about bodies, boundaries, puberty, and sexual health — from toddlerhood through the teen years
Groupthink in Health: Why We Follow Bad Advice and How to Make Better Decisions
From Asch's conformity lines to anti-vax movements — the psychology of herd thinking in health, and how to reclaim evidence-based autonomy
The Belly Button: What It Actually Is, Why Yours Looks the Way It Does, and When It Might Need Medical Attention
Your navel is a scar from the most important connection you ever had — and it hosts a microbiome rivaling a rainforest