Wiki For Health

  What Is Depression? Everyone feels sad or low sometimes, but these feelings usually pass with a little time. Depression (also called major depressive disorder or clinical depression) is different. It can cause severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or working. It is an illness that can affect anyone—regardless of age, race, income, culture, or education. Research suggests that genetic, biological, environmental, and psychological factors play a role in depression. Depression may occur with other mental disorders and other illnesses, such as diabetes, cancer, heart disease, and chronic pain. Depression can make these conditions worse, and vice versa. Sometimes medications taken for these illnesses cause side effects that contribute to depression symptoms. What are the different types of depression? Two common forms of depression are: Major depression , which includes symptoms of depression most of the time for at l...

  What Is Tuberculosis? Tuberculosis (TB) is a contagious infection that usually attacks your lungs. It can also spread to other parts of your body, like your brain  and spine. A type of bacteria called Mycobacterium tuberculosis causes it. Tuberculosis Types A TB infection doesn’t always mean you’ll get sick. There are two forms of the disease: Latent TB.   You have the germs in your body, but your  immune system  keeps them from spreading. You don’t have any symptoms, and you’re not contagious. But the infection is still alive and can one day become active. If you’re at high risk for re-activation -- for instance, if you have  HIV , you had an infection in the past 2 years, your chest X-ray is unusual, or your immune system is weakened -- your doctor will give you medications to prevent active TB.   Active TB. The germs multiply and make you sick. You can spread the disease to others. Ninety percent of active cases in adults come from a late...