OCD and ADHD: What Are the Differences?

Vitamin D can be taken at any time of the day. However, many people prefer to take it in the morning to reduce the potential risk of sleep disturbances. You might not give a lot of thought to what time you take your vitamin D supplement. As long as it gets into your tummy, right? Well … not exactly.

Follicular lymphoma is a slow-growing form of non-Hodgkin's lymphoma (NHL). Lymphomas are grouped into two categories—Hodgkin's and non-Hodgkin's. Non-Hodgkin's lymphoma starts in lymphocytes, a type of white blood cell. Follicular lymphoma accounts for 20%–30% of all NHL cases. Follicular lymphoma is a chronic condition that is not usually...

Arthritis refers to any disorder that affects the joints. Arthritis affects nearly 25% of the U.S. population and, along with related rheumatological conditions, it is suspected to be the leading cause of disability among U.S. adults. The most common forms include osteoarthritis (OA), rheumatoid arthritis (RA), lupus, and gout. This...

It's common for people with MS to experience symptoms of anxiety or have anxiety disorders. The exact prevalence of people with MS experiencing anxiety symptoms varies among studies, but it is believed to be between 34% and 43%. This is much higher than the estimated prevalence of about 18% in the U.S. population overall.

Experiencing seasonal allergic symptoms is not uncommon, but hay fever–like allergy symptoms can occur year-round in some people. Unlike hay fever, year-round allergies can be triggered by allergens like dust or pet dander throughout the year. This occurs due to an overreaction in the immune system. Year-round allergies are...

Psoriatic arthritis (PsA) is an autoimmune disease that occurs because the immune system mistakenly attacks healthy body tissues, namely the joints and entheses (the areas where tendons and ligaments meet bone). According to the National Psoriasis Foundation (NPF), PsA affects up to 30% of people with the autoimmune skin disease...

Obsessive-compulsive disorder (OCD) is marked by repetitive, unwanted thoughts and acting out compulsive rituals meant to ease anxiety. Every person with OCD experiences it uniquely. Sometimes symptoms of OCD can include obsessive philosophical ideas and fears about life, the universe, and human existence. This can be referred to as existential...

Rheumatoid arthritis (RA) is an autoimmune condition that targets joints throughout the body. This condition occurs when your immune system destroys your body's own cells as if they were a foreign invader. RA can cause elbow pain, as well as swelling, stiffness, and limited movement. This article discusses rheumatoid arthritis...

Hand, foot, and mouth disease is a common childhood virus that spreads quickly throughout schools and daycare centers. It most commonly affects children under 5, but older children and adults can get it. Common symptoms of hand, foot, and mouth disease include a fever, sore throat, mouth ulcers, and skin...

Chondrosarcoma is a type of bone cancer that develops in cartilage cells. Cartilage is a specialized connective tissue that helps cushion bone joints and protect the end of bones. Unfortunately, treatment options are limited and primarily include surgery. This article discusses the treatment options for chondrosarcoma. Surgery. Surgery is the...

Following a heart-healthy diet is important if you have hypertrophic cardiomyopathy (HCM). Hypertrophic cardiomyopathy is a condition in which the heart muscle becomes thicker than normal. HCM usually is due to abnormal genes that cause the walls of the heart to pump harder and become thicker and stiffer than normal....

Rheumatoid arthritis (RA) is a chronic inflammatory condition that occurs when your body's immune system—designed to fight off infections and foreign substances—targets your own cells instead. RA frequently attacks joints throughout the body, but it can also affect your brain. This "brain fog" can show up as difficulty concentrating, memory issues, trouble learning, and a depressed mood.

Insomnia is a common sleep disorder that makes it hard to fall asleep and/or remain asleep. Insomnia prevents you from getting the amount and quality of sleep you need to function normally. Without treatment, insomnia can affect daytime alertness. It can impact your ability to think, remember, and react. It...

Psoriatic arthritis (PsA) is a type of inflammatory arthritis that affects the joints and entheses (the connective tissue between bone and tendons or ligaments). Common symptoms of PsA are joint pain, swelling, and morning stiffness. According to the National Psoriasis Foundation (NPF), PsA affects up to 30% of people with the autoimmune skin condition psoriasis.

Body dysmorphic disorder (BDD), also called body dysmorphia, is a mental health condition that involves an overwhelming preoccupation with one’s body and appearance. Someone with BDD may focus excessively on minor physical flaws or worry about perceived flaws that others don’t notice. In the Diagnostic and Statistical Manual...

Dizziness is usually one of the first physical signs of going too long without food. Although it is less common, you may feel lightheaded or dizzy after eating. Low blood sugar, low blood pressure, and diabetes medications can cause dizziness after a meal. In addition, certain medical conditions and food sensitivities can leave you feeling unwell after a meal. Fortunately, you can try several different techniques to minimize after-meal dizziness.

Menopause is a transitional time for women that often begins between ages 45 and 55. It is the time beginning 12 months after a woman's last period and can last seven to 14 years. During this transition, women may experience a variety of symptoms associated with shifts in hormones. One of the more common symptoms of menopause is constipation.

Nicotine is a highly addictive substance that is found in all tobacco products. People who use tobacco products are at high risk for developing nicotine dependence (formerly known as nicotine addiction), which is a lack of control over the need for nicotine. According to the 2020 National Survey on Drug...

When you gain weight for no obvious reason, it may be linked to hormone fluctuations. These changes can occur with age, menopause, or a medical issue. Changes in hormone levels can affect major body functions, including the way you gain and lose weight. While hormonal weight gain affects both sexes, the distribution of fat differs between women and men.