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Sleep & NighttimeEvidence check
In a study of 552 adults aged 63 to 84 who wore light-measuring wrist monitors, those exposed to light during the darkest part of the night were more likely to have obesity, diabetes and high blood pressure. It can't show the light caused those conditions, but it's a reason to rethink the TV, hall light or bright night-light, while keeping a safe path to the bathroom.
HairExplainer
Dermatologists advise drying before bed to reduce breakage. Why wet strands, pillow friction and tight styles matter, and what the sources say about scalp problems.
Sleep & NighttimeEvidence check
Nearly half of US adults in one national survey shared their bed or bedroom with a pet. Those who did reported worse sleep quality and more insomnia, mainly with dogs. In a Mayo Clinic study that tracked 40 adults and their dogs for a week, sleep was fine with a dog in the bedroom but less efficient with the dog on the bed. Here is what the studies show and how to find a middle ground.
Breath & MouthEvidence check
Many toothpastes contain sodium lauryl sulfate (SLS), a foaming detergent. For people with repeat canker sores, switching to an SLS-free paste is a popular tip. In an early Norwegian study, ulcers dropped from 14 to 5 over three months after switching. A larger Korean trial found SLS-free paste didn't cut the number of ulcers but made them heal faster and hurt less. A review of four trials leaned in favor. Here's what to know.
Odor & SweatEvidence check
Many women who switch from antiperspirant to an aluminum-free deodorant notice stronger odor for a while. A 2016 study tracked armpit bacteria as people stopped their usual products: bacteria counts climbed toward the levels of people who never use anything, and dropped sharply when antiperspirant went back on. Here is what changes, why a 'detox' isn't needed, and how to test a switch.
Bloating & DigestionEvidence check
The smell of gas comes mostly from tiny amounts of sulfur gases, not the bulk of it. In lab tests with sealed pantaloons, briefs made from activated carbon fabric caught virtually all the smelly gas, pads caught 55% to 77%, and most seat cushions about 20%. Charcoal swallowed as pills made no difference. Here is what the tests found, what drives the smell, and when to get checked.
Bloating & DigestionExplainer
Some women can only finish a bowel movement by pressing on the back wall of the vagina or the skin in front of the anus. Doctors call it splinting, and it's on the official checklist for constipation. It often points to a rectocele or to muscles that won't relax, and both have treatments. Here is what the research shows.
Intimate HealthEvidence check
Squirting and female ejaculation are often treated as the same thing, but researchers describe two different releases. In a French ultrasound study of seven women, the bladder filled during arousal and emptied with squirting, and the fluid was chemically close to urine. Female ejaculation is a few milliliters of thicker fluid from glands near the urethra. Here is what the studies show and how both differ from leaking during sex.
Menopause & HormonesEvidence check
Hot flashes can last well past 60. Guidance says hormone therapy's balance is favorable for most women who start before 60 or within 10 years of menopause, and less favorable after that. Here is what the trial numbers looked like by age, why vaginal estrogen is a separate question, and what to ask.
Menopause & HormonesEvidence check
Hot flashes are supposed to be over by 60, but for many women they aren't. In an Australian survey, 6.5% of women aged 60 to 65 still had moderate to severe hot flashes or night sweats, and few were being treated. In the US SWAN study, women whose flashes began early had them for a median of more than 11.8 years. Here is what the numbers show and which treatments are still on the table.
SkinMyth buster
Get the appropriate urgent help; let the clinician assess the swelling and possible cause.
Two US labels give different water instructions. Find the directions for the patch in your carton.
