brain

What Is Dopamine Deficiency?

You may have read or heard about dopamine deficiency and supplements or diets to increase your dopamine level. Dopamine is an important brain chemical, but other than a rare, inherited genetic disorder, there is no medical diagnosis called dopamine deficiency. [1-3] You can develop low levels of dopamine or an … Read More

What Is Serotonin Deficiency?

Serotonin is an important brain chemical that relays messages in your brain, called a neurotransmitter. [1,2] Serotonin in also a hormone. Hormones are chemical messengers that travel through your body. Although serotonin has effects on your whole body, according to the Endocrine Society, serotonin is the  key hormone that stabilizes … Read More

Pus: An Unmistakable Sign of Infection

You had a fall and suffered the tell-tale scrape on your knee. Within a week, it’s filled in with green pus. Don’t worry, there’s no alien at play here. Pus is a sign that your body’s defense system has kicked in. All you need to do is figure out what … Read More

Are Potato Chips Bad for You?

Salt and vinegar, barbecue, kettle-cooked, ruffled — to me, all potato chips are delicious. If there's a bag on the counter, I’ll polish it off easily. Are potato chips bad for you? I know the answer, so I’ve tried to replace my chip craving with healthy options like carrot sticks … Read More

5 Heart Disease Warning Signs

There are many types of heart disease, but the most common in the United Sates is coronary artery disease (CAD) which is decreased blood flow to your heart. Heart attack, abnormal heartbeats (arrhythmias), and heart failure are other common heart disease conditions. [1] Common warning signs for these conditions include … Read More

What Is Leptin?

Leptin is a hormone that was only discovered in 1994. A hormone is a chemical messenger that carries instructions from one part of your body to another. Leptin is produced in fat cells. Fat cells release leptin when they have gathered enough energy from calories in your diet. Leptin then … Read More

Twitching While Sleeping

Have you ever been jerked out of sleep by a sudden twitch or uncontrolled muscle movement, or noticed jerks and twitches in your sleep partner? You are not alone, since these movements during sleep occur in up to 70 percent of people. They are commonly called sleep starts or hypnic … Read More

Picking Scabs: Why We Do It and How to Stop

Ever enjoyed popping a pimple? How about poking a blister? It can feel gratifying to watch the grossness ooze out, right? Many people are guilty of picking scabs and some people even eat them afterwards. In fact, our desire to pick our scabs could say something important about our mental … Read More

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