HB Mag Health Research Team
Tretinoin is a prescription form of vitamin A that changes how skin cells behave. It speeds up cell turnover, keeps pores from clogging, and stimulates collagen production over time. That combination is why one medication can address acne, fine lines, and uneven skin tone at the same time. It is not a cosmetic fad. Tretinoin … Read more
Greek yogurt and granola can fit into a weight loss plan, but the pairing is not automatically a weight loss food. The yogurt brings protein that helps with fullness. Granola often brings more sugar, oil, and calories than people expect. Whether the combination helps or hurts depends almost entirely on which products you buy and … Read more
If you are pregnant in the United States, you will almost certainly have at least one ultrasound. For a typical, uncomplicated pregnancy, that number usually lands at one or two — a first-trimester dating scan and the mid-pregnancy anatomy scan. There is no national rule that sets a maximum. The count depends on your health, … Read more
Swimmer’s ear — otitis externa — is an infection or inflammation of the ear canal, the tube that runs from the outside of your ear to the eardrum. The first-line treatment is prescription antibiotic ear drops, often with a steroid to reduce swelling. You cannot treat a true infection with home remedies alone, but you … Read more
Yes — ultraviolet light can inactivate the virus that causes COVID-19, but only under specific conditions that do not exist in ordinary sunlight or in most consumer gadgets sold to “sanitize” the air around you. The science here is real and well documented. The marketing is where things get shaky. Researchers have known since the … Read more
You cannot confirm a mold problem with a smell or a visible stain alone. Testing for mold means collecting a sample and having it analyzed, either with a do-it-yourself kit you send to a lab or through a professional inspector who samples and interprets the results for you. The right choice depends on what you … Read more
If you find yourself throwing off the covers or reaching for a fan in the days before and during your period, you are not imagining it. Body temperature genuinely rises in the second half of the menstrual cycle and stays slightly elevated until bleeding begins. That shift is driven by progesterone, the hormone that dominates … Read more
Finding blood in your ear is unsettling. The blood has to come from somewhere, and the location tells you a lot about what is going on. Most often it comes from a cut or scrape in the ear canal itself, which is minor and heals on its own. Less often, it comes from behind the … Read more
Tiny red dots on the skin are small spots of blood or pigment that show through the surface. Most are harmless and come from tiny broken capillaries, a condition called petechiae when they are true bleeding spots. Others are small collections of extra blood vessels, called cherry angiomas. A smaller number can signal a bleeding … Read more
No, you should not microwave Styrofoam. The short answer is that putting most Styrofoam in a microwave is unsafe, and the reason comes down to what Styrofoam actually is and how it behaves when heated. Styrofoam is a brand name for a type of foamed polystyrene plastic. When heated, it can soften, warp, and release … Read more