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… You’re not alone. Nearly everybody has had a headache. It’s one of the major reasons people visit the doctor and miss work or school. Not all headaches are the same. They can differ in how severe the pain is and how often you get them. Some people may get them only once in a … can help your health care provider figure out what causes them and choose a treatment for them. Write down the time of day they happen, what you were doing at the time, how long they …

… Fully vaccinated people can start doing some of the things they had to stop. This includes visiting friends and loved ones who are also fully vaccinated. You might still have questions … and fight off things like viruses and bacteria. Learn more about what a vaccine is (or watch in Spanish ). The COVID-19 vaccines were developed with amazing speed. But they’re still safe and … of any approved vaccine. Before a new vaccine is given to people, a lot of testing is done in a lab. Then, it’s tested in people in clinical trials to make sure it’s safe and effective. …

… or traumatic situations. These can lead to physical and mental health conditions later in life. Scientists are studying the long-term consequences of early life difficulties. And they’re looking for ways to protect kids from the health effects. “Normal stressors, or stressful experiences, … “Normal stress is essential in life for growth and learning,” explains Dr. Jing Yu, an NIH expert on child development. “Positively adapting to normal stress can promote a child’s …

… of functions that keep you healthy,” says Dr. Jake Liang, a liver specialist and researcher at NIH. Your liver helps fight infections. It cleans your blood by getting rid of your body’s … But if it starts to shut down completely—a condition known as liver failure—you can survive for only a day or 2 unless you get emergency treatment. Many things can affect liver function. … network, we can combine the efforts and expertise of many clinical centers that specialize in rare childhood liver diseases.” Other NIH studies are focusing on an increasingly common type …

… A change in season can brighten your days with vibrant new colors. But blooming flowers and falling leaves … the prevalence of allergies has been increasing,” says Dr. Paivi Salo, an allergy expert at NIH. “Currently, airborne allergies affect approximately 10-30% of adults and 40% of children.” … trigger symptoms that last all year. If your symptoms become persistent and bothersome, visit your family physician or an allergist. They can test for allergy sensitivities by using a …

… If you’re an adult in the U.S., you can expect to gain 10 to 25 pounds between your 20s and your 40s. Starting … you need to grow, move, and stay healthy.]  … tends to slow down as you get older,” says NIH’s Dr. Rafael de Cabo, an expert on aging. “But your appetite and your food intake do not. So, … example is intermittent fasting, in which meals are interspersed with long fasting periods. For example, you might limit eating to only eight hours per day. Studies suggest intermittent …

… air at least some of the time,” says Dr. Stavros Garantziotis, a lung doctor and researcher at NIH. Breathing polluted air doesn’t just affect the lungs. Because the lungs connect directly to … exposure doesn’t affect everyone the same way,” says Garantziotis. This is especially true for people with asthma. Asthma is a disease that makes breathing hard. It can be worsened by … can also be affected more seriously. After a high-pollution day, asthma attacks increase in children. Hospital visits for heart attacks and strokes in older adults also go up. Some …

… under general anesthesia. It’s a combination of drugs that’s made surgery more bearable for patients and doctors alike. General anesthesia dampens pain, knocks you unconscious and keeps … swig of whiskey,” says Dr. Emery Brown, an anesthesiologist at Massachusetts General Hospital in Boston. Things improved more than 150 years ago, when a dentist in Massachusetts publicly … 3 main stages: going under (induction), staying under (maintenance) and recovery (emergence). NIH-funded scientists are working to improve the safety and effectiveness of all 3. The drugs …

… become more of a challenge as you get older. Among adults ages 75 and up, about 1 in 4 has lost all natural teeth, largely because of gum disease and tooth decay. You can take … are more prevalent at certain ages,” says Dr. Dena Fischer, a dental health expert at NIH. The 2 most common oral health problems are tooth decay ([qtip:cavities|Small holes in teeth … tooth decay and gum disease by brushing daily with fluoride toothpaste and flossing. Also visit the dentist regularly for a cleaning and checkup.  Another common problem for older adults …

… Warm weather might make you want to get outdoors and enjoy walks in the woods, picnics, gardening, and more. But tiny ticks also emerge when temperatures rise. … problems. Some tick bites have been linked to a severe allergy to red meat. There is good news, though—you can take steps to keep ticks from making you sick. And NIH-supported scientists are looking for better ways to diagnose, treat, and prevent tick-related …