Biology Insights

Shrimp is packed with protein, omega-3s, and key vitamins, but what about its cholesterol and mercury? Here's what the nutrition actually looks like.

Most periods last 2 to 7 days, but age, birth control, and health conditions can all shift that range. Here's what's worth paying attention to.

Creatine and protein are often mixed up, but they're very different things. Here's what creatine actually is and whether you need both supplements.

Sexual anorexia goes beyond low libido. Learn what drives this pattern of intimacy avoidance and how therapy can help.

Some vitamins genuinely support hair growth, while others can backfire at high doses. Here's what the evidence actually shows.

Sugar doesn't directly cause diabetes, but it does play a role in type 2 risk. Here's what the research actually says about sugar, diet, and diabetes.

Scars come in many forms, from raised keloids to sunken acne marks. Learn what shapes scar appearance and how they change over time.

Saxenda is a prescription weight loss injection that works by reducing appetite. Learn who it's for, how it's dosed, and what results to realistically expect.

Learn which days make up your luteal phase, what your body is doing during that time, and how to spot signs of a shorter-than-usual cycle.

Selective mutism is treatable. Learn how parents and teachers can support kids using behavioral therapy techniques, and what realistic progress looks like.

Oatmeal can be a solid choice when you're sick. Here's what the science says about its nutrients, gut benefits, and the best way to eat it.

Eczema ranges from mild dryness to rare but life-threatening conditions. Learn what severe eczema looks like and when it becomes a serious health concern.

From decongestants to nasal sprays, here's how common sinus pressure medicines work and which ones are worth trying for your situation.

Stay safe in cold weather by layering smartly, keeping dry, eating well, and knowing the early signs of hypothermia before they become dangerous.

Personal care services help with daily tasks like bathing and dressing. Learn what's covered, who pays, and how to choose between agency and self-directed care.

Kale is generally a smart choice for diabetics, but its vitamin K content is worth knowing about if you're on blood thinners.

From cool compresses to antihistamines, learn what actually helps hives clear up and when it's time to see a doctor.

Rat lungworm is a parasitic infection spread through snails and slugs. Learn how it spreads, what symptoms to expect, and how to protect yourself.