Underarm hair is a normal part of human biology that most people don’t think about unless they are shaving it off. The presence of this hair is not random. It is a physical trait passed down from our early ancestors, and it serves a few specific biological purposes. The main reasons we have hair under … Read more
Alcoholism is a mental disorder. The medical community classifies it as a mental health condition, specifically a substance use disorder. It is not a moral failing or a simple lack of willpower. This article explains why it is classified this way, what causes it, and how it is treated. Why Is Alcoholism Considered A Mental … Read more
Nearly four years after the first shots went into arms, the Pfizer-BioNTech COVID-19 vaccine remains a central tool in preventing severe illness, hospitalization, and death. Its effectiveness today depends heavily on one factor: how recently you received a dose. The original two-dose series offers limited protection against current variants, but an updated booster dose restores … Read more
An ingrown hair happens when a hair curls back and grows into the skin instead of up and out. It causes a red, sometimes painful bump that can look like a pimple. You can treat most ingrown hairs at home by gently releasing the trapped hair and keeping the area clean. To prevent them, focus … Read more
Your liver works around the clock filtering blood, processing nutrients, and clearing waste. When something goes wrong, you often cannot feel it. That is why doctors rely on blood tests to check in on this vital organ. The main test is called a liver panel or liver function test. It measures several key markers at … Read more
Cognitive tests measure how your brain handles memory, attention, language, and problem-solving. If you have one scheduled, you want to know what actually moves the needle. The honest answer is that you cannot cram your way to a higher IQ, but you can absolutely prepare your brain to perform at its true level on test … Read more
Tooth powder is a simple alternative to toothpaste that you apply with a wet toothbrush. You dip the bristles into the powder, brush your teeth for two minutes, and rinse thoroughly. The key difference from toothpaste is that tooth powder contains no water, so it is often more abrasive and requires careful technique to avoid … Read more
Sexually transmitted infections (STIs) do not have one single look. Some cause visible sores, rashes, or discharge. Many cause no symptoms at all. The only way to know for certain if you have an STI is to get tested. Here is what symptoms can look like by infection, and why testing matters even when nothing … Read more
A sudden sharp pain in your back can stop you mid-step. It can make you freeze, gasp, or grab the nearest chair. This type of pain is different from a dull ache or a stiff morning back. It feels like a stab, a catch, or a pop. In most cases, this sharp pain comes from … Read more
The cardiovascular system’s main function is to transport blood throughout your body. This system, made up of your heart, blood vessels, and blood, delivers oxygen and nutrients to every cell. It also removes carbon dioxide and other waste products that your cells produce. Think of it as your body’s highway and delivery service, working every … Read more