Biology Insights

Hep C can spread through sex, but risk varies widely. Learn which situations carry the most risk and how to protect yourself and your partner.

HSV-1 and HSV-2 are more common than most people realize. Here's what the global prevalence data actually shows.

Lybalvi treats schizophrenia and bipolar disorder while helping reduce the weight gain often linked to olanzapine. Learn how it works, dosing, and safety.

Erectile dysfunction affects men of all ages. Learn what causes it, how doctors measure severity, and what treatments and lifestyle changes can help.

Fainted recently? Learn what to do right after, which symptoms need emergency care, and how to reduce your chances of it happening again.

Drug-induced lupus is a reversible condition triggered by certain medications. Learn which drugs are linked to it, what symptoms to watch for, and what to expect after stopping treatment.

From prescription antivirals to home care, learn what actually works for cold sores and why starting treatment early makes all the difference.

Anaphylaxis can last minutes or days depending on the reaction pattern. Learn what affects its duration and why staying for observation after treatment matters.

Toe fungus is slow to clear, but the right treatment helps. Learn which options actually work and how long you can realistically expect results to take.

Anise may help ease digestion, support blood sugar, and influence hormones. Here's what the science says and how to use it.

Learn where to get vitamin B12, who's at risk of deficiency, and when supplements or injections might be the right choice for you.

From heat therapy to ginger, explore science-backed ways to ease menstrual cramps and learn when pain might need a doctor's attention.

Green tea extract concentrates the plant's active compounds, but higher doses carry real risks. Here's what the research says about effects and safe use.

Kelp offers real benefits for thyroid health, blood sugar, and more, but too much iodine or heavy metals can cause harm. Here's what to know.

Learn to recognize narcissistic behavior in a relationship, understand how it affects your wellbeing, and find practical ways to protect yourself or leave safely.

From factor IX replacement to gene therapy, here's how doctors approach treating hemophilia B based on severity and individual needs.

Practical ways to manage PTSD day to day, from grounding techniques and trigger tracking to therapy options like EMDR and CPT.

Learn how naproxen 500 mg works, what conditions it treats, how long it takes to kick in, and what side effects and risks to be aware of.