From daily habits to nutrition and sleep, explore informational guides on living a healthier life — backed by research and written for real people.
Merkel cell carcinoma is a rare and aggressive type of skin cancer that starts in Merkel cells, which are cells in the top layer of skin linked to the sense of touch. It often appears as a fast-growing, painless bump on sun-exposed skin, most commonly on the head, neck, or arms. The main symptoms are … Read more
The scratchy throat hits first. Then the sneezing, the congestion, or maybe the sudden fever and body aches. You need to know quickly: is this a cold you can ride out, or the flu, which can turn serious? The fastest way to tell the difference is the speed and severity of your symptoms. The flu … Read more
Black carrot juice comes from a dark purple variety of the common carrot. Unlike the orange carrots you see in most grocery stores, black carrots are packed with a group of plant pigments called anthocyanins. These pigments give the juice its deep color and act as antioxidants in the body. The juice tastes mildly sweet … Read more
Opening the freezer to grab ground beef for dinner and finding it brown can be alarming. You might wonder if it has spoiled or if you need to throw it away. The short answer is that meat turning brown in the freezer is a normal chemical reaction, not a sign of spoilage. Frozen meat that … Read more
A belly button keloid is an overgrowth of scar tissue that forms after skin damage, such as a piercing or surgery. Getting rid of one completely is difficult, but treatment options do exist. Dermatologists typically combine surgical removal with other therapies to reduce the chance it grows back. The most effective approach depends on the … Read more
Probiotics are live microorganisms that can help restore the balance of bacteria in your gut. When you have diarrhea, that balance is often disrupted, and probiotics may help you recover faster. In many cases, you may notice improvement within 24 to 48 hours of starting a probiotic, though the exact timing depends on the cause … Read more
Alcohol treatment can feel like a maze of terms. Detox, therapy, rehab — they are often used as if they mean the same thing. They do not. Each one is a distinct stage or method in the process of addressing alcohol use disorder. Understanding the difference between them helps you know what to expect and … Read more
Intense pulsed light (IPL) therapy is a popular cosmetic treatment for sun damage, age spots, broken blood vessels, and unwanted hair. It is not a laser, though many people confuse the two. The cost of IPL varies widely depending on where you live, what area you are treating, and how many sessions you need. On … Read more
Propranolol is a beta-blocker that has been used for decades. It is not a drug that works instantly, and it is not a drug that takes weeks to build up. The time it takes to see an effect depends entirely on what condition it is being used for and how it is taken. For a … Read more
Most 3-year-olds weigh between 25 and 38 pounds (11.5 to 17 kilograms). The average weight for a 3-year-old is about 31 pounds (14 kilograms) for both boys and girls. However, a healthy weight range is wide at this age because children grow at different rates. What matters most is not a single number but a … Read more