Yes, you can give blood if you have a tattoo, but only after waiting a specific period of time. In most of the United States, that waiting period is three months from the date you got the tattoo. This rule applies whether you got your tattoo at a licensed professional shop or somewhere else. The … Read more
A cracked big toenail is rarely an emergency, but it can be painful, frustrating, and sometimes a sign that something needs attention. The most common cause is repeated stress or minor trauma to the nail, which can happen from running, hiking, or wearing shoes that are too tight. In many cases, the crack is simply … Read more
A fall onto your knee can leave you with more than a bruise. Numbness in the knee after a fall is a specific symptom that points to nerve involvement. It happens because the impact can stretch, compress, or directly injure the nerves that supply sensation to the skin around the kneecap. The numbness is often … Read more
The frontal lobe is the last part of the brain to mature. For most people, it is not fully developed until around age 25. This long timeline explains why teenagers and young adults often make decisions differently than older adults. The changes do not stop there, though. The brain continues to adapt and refine its … Read more
For lower back pain, the standard placement is two pads on either side of the spine at the level of the pain, and two pads directly below, roughly six inches apart. This creates a direct path for the electrical current to travel through the sore muscles. You want the pads positioned so the current passes … Read more
Aicardi syndrome is a rare genetic disorder that almost exclusively affects females. It is defined by a classic triad of features: partial or complete absence of the corpus callosum (the structure connecting the brain’s two hemispheres), characteristic retinal lacunae (holes or spots in the light-sensitive tissue at the back of the eye), and infantile spasms … Read more
A great salad starts with a base, but it becomes a meal with the right toppings. The best salads balance greens, protein, healthy fats, and a flavorful dressing. You want texture, color, and enough substance to keep you full for hours, not just a bowl of leaves. What To Put In Salad: The Core Building … Read more
Peeled hard boiled eggs last about 3 to 5 days in the refrigerator. The exact time depends on how they are stored. Unpeeled hard boiled eggs last up to one week. Peeled eggs lose their protective coating, so they spoil faster and must be kept in a sealed container with a damp paper towel. If … Read more
Sunburn itch is your skin’s way of telling you it is actively repairing damage from ultraviolet (UV) radiation. The itch usually starts a few days after the burn, right when the damaged skin cells begin to peel and shed. You can stop the worst of it by cooling the skin, using the right over-the-counter treatments, … Read more
Exercise-induced arrhythmia is an abnormal heart rhythm that starts during or right after physical activity. The root causes are a combination of how your heart responds to stress, underlying heart conditions you may not know about, and temporary changes in your body’s chemistry during a workout. For most people, the heart handles exercise well, but … Read more