Special Report

Drinking Too Much Coffee and 18 Ordinary Habits That Can Be Signs of Serious Health Problems

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11. Exercise three times a day, every day: Addiction

Going for an hour-long run at 4 a.m., taking Zumba classes in your lunch break, and doing weight lifting at the gym before you get home is not a healthy fitness approach. Aside from the physical damage — such a routine can leave you chronically tired and susceptible to injuries due to the lack of recovery time — a mental health problem may be hiding.

If skipping any of these is stressful to you and interferes with your everyday functioning, it may qualify as an addiction. It is common among triathletes, runners, and people with eating disorders.

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12. You put on five sweatshirts when it’s warm: Thyroid problems

Thyroid problems can confuse your internal thermostat. An underactive thyroid could result in feeling chills all the time because you have less energy available for body cells to use. On the other hand, an overactive thyroid puts energy producing cells into overdrive, making you sweat. Thyroid produces hormones that regulate thermogenesis, also called heat production, acting both in peripheral and central organs. They influence how much blood vessels dilate, affecting how much heat leaves the body.

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13. You always talk about food: Eating disorder

People with eating disorders are often preoccupied with food, especially number of calories, and the amount of carbs and fat in what they are consuming. Being so preoccupied, it often manifests itself in conversations. Engaging in conversations about weight and calories, feeling guilty and being shameful about eating habits, and complaining about being fat, especially if this wasn’t a normal behavior before, are other signs.

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14. You eat very little but feel very full: Stomach cancer

Stomach cancer can make people feel really “full,” especially in the upper abdomen, even after just a few bites. Vomiting solid food a few minutes after eating — with or without blood — is another sign. These symptoms can easily be caused by something else. However, you should be aware of them because many signs don’t appear until the cancer is advanced. Only one in five stomach cancers in the country is found at an early stage.

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15. You are on your phone too much: Anxiety

About a fifth of people with social media accounts cannot go more than three hours without checking them, according to the Anxiety and Depression Association of America. Snapchat, Facebook, Twitter, and Instagram have led to increased feelings of depression, anxiety, poor body image, and loneliness among young adults ages 14 to 24, according to a survey conducted by the Royal Society for Public Health in the U.K. In addition to anxiety, research has found that using social media too much can also cause depression, attention deficit hyperactivity disorder (ADHD), paranoia, and loneliness.