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… your jaw starts to hurt, it can take the joy out of simple, everyday things. The jaw joint is one of the most complex joints in the human body. For most people, it moves effortlessly up and down, side to side, and in and out, transitioning …

… normally or dies. These nerve cells make a chemical called dopamine. Your brain needs dopamine for making smooth, purposeful movements. Loss of dopamine causes problems with movement. “We … usually have a family history of it. In most cases, it’s not clear what causes the disorder. One main risk factor is age. It affects about 1% of people over age 60. There’s no medical test …

… may have heard that getting pregnant can be more difficult as you age. Or that it’s riskier for both the mom’s and the baby’s health. While these can be issues when having children later in … Pregnant … It can be more difficult to get pregnant with age. There are many reasons for that. One is that fertility decreases as you get older—for both men and women. Women are born with a …

… problems. Researchers have started looking at whether fasting can have potential benefits for some people. … Going Without Food … Fasting diets mainly focus on the timing of when you can … the aging process and protected against cancer in some experiments. “In mice, we’ve seen that one of the effects of fasting is to kill damaged cells, and then turn on [qtip:stem …

… feels stressed from time to time. Stress can give you a rush of energy when it’s needed most—for instance, competing in sports, working on an important project, or facing a dangerous situation. The [qtip:hormones|Substances produced in one part of the body to signal another part to react a certain way.] and other chemicals released … sleep, Green McDonald says, “studies have also shown that mindfulness (focused attention on one’s own emotions) and other meditative practices can effectively relieve stress.” “Mindfulness …

… many reasons to maintain a healthy weight all year round. A healthy weight lowers your risk for chronic diseases, like diabetes, heart disease, and certain cancers. It can also help you … activity into our everyday life.” Taking steps toward a healthy lifestyle—even small ones—can help you get on a path to a healthy weight. … Calculating a Healthy Weight … The … extra muscle, bone, or water. If your BMI is high because of extra body fat, aim to lose about one to two pounds per week. “Some people might think losing weight quickly is the best strategy,” …

… of your body weight is water. All your cells need water to work. Water is also the base for all your different body fluids, including saliva, blood, urine, sweat, and joint fluid. No … a heart researcher at NIH, has studied the long-term effects of not drinking enough water. In one study, her team found that middle-aged people who were not adequately hydrated were more … I drink, I realized that I drank less than needed,” she says. “Then I just started to take one liter of water with me when I go to work. And I make sure that during the day I drink this …

… like a major accident, assault, or natural disaster can cause severe stress . It’s important for your health and well-being to learn how to cope with stress. Researchers are working to … is to recognize the signs that you’re stressed beyond a normal level. Trouble sleeping can be one. Some people get headaches or stomachaches. Stress can also cause changes in appetite that …

… But many things can help you survive—and even thrive—during stressful periods. There’s no one-size-fits-all approach. Learning healthy ways to cope and how to draw from resources in your … practices—interact. It boosts wellness and protects you from risks to your well-being. For many people, these risks are compounded by hardship and discrimination,” adds Dr. Lisa …

… or medicine cabinet. But do you know what’s in them? Could any of their ingredients be risky for your health? Personal care products, including cosmetics, are regulated by the U.S. Food and … the market. Examples include sunscreen and anti-dandruff shampoo. But overall, “cosmetics are one of the least regulated sets of consumer products out there,” says Dr. Ami Zota, an …