Spoon nails (koilonychia) are indented nails that look like the scooped-in portion of a spoon. Iron deficiency anemia is the most common cause.| Health
Restless legs syndrome (RLS) is a sleep and neurological sensory condition. It causes your legs to move uncontrollably, especially during sleep.| Health
Hormonal disorders, medications, and more may cause unintentional weight gain. Learn why you may be gaining weight fast and what to do about it.| Health
Heart disease symptoms often include chest pain, shortness of breath, fatigue, and swelling. Subtle signs include depression, anxiety, and skin changes.| Health
The effects of alcohol on the brain, such as impaired judgment and memory loss, can be long-lasting. Learn how alcohol affects the brain.| Health
Lethargy is a term for when someone is feeling drowsy and experiencing an unusual lack of energy and alertness. It is also referred to as fatigue.| Health
Causes of obesity include eating habits, physical inactivity, sleep deprivation, stress, health conditions, and environmental factors.| Health
A circadian rhythm is an internal clock that influences things like sleeping and eating schedules. Many factors can disrupt circadian rhythms.| Health
Sleep can impact mood, mental sharpness, and daily productivity. Here are tips on how to get the quantity and quality of sleep you need.| Health
Using your phone before bed can hurt your sleep due to factors like blue light. One of our editors went phone-free in bed to see if her sleep improved.| Health
Thyroid disease is an umbrella of conditions that affect the thyroid gland. All of the conditions differ in their symptoms, causes, and treatment.| Health
Borderline hypothyroidism is an early form of an underactive thyroid, which causes high thyroid-stimulating hormone (TSH) levels. It may not cause symptoms.| Health
Debt can make a person up to 20 times more likely to consider and attempt suicide. Here's what causes financial stress, how debt is linked to suicidal ideation, and where to find help.| Health
Apple cider vinegar is fermented juice made from apples. It may be useful in blood sugar management, weight loss, and depression.| Health
Neck pain may be due to poor posture, muscle strain, stress, and some underlying health conditions. Treatment can vary depending on the cause of your neck pain.| Health
Iron deficiency occurs when you do not have enough iron for your red blood cells to carry oxygen to your tissues. It causes fatigue and weakness.| Health
Celiac disease is an autoimmune disorder triggered by consuming gluten. Learn about diagnosis, symptoms, treatment, and living with celiac disease.| Health
Quitting smoking is challenging, but counseling, medications, and other products and approaches can help. Learn some ways to help you stop the habit.| Health
Inflammation is the immune system's natural response to injury and infection. Symptoms include redness, swelling, pain, heat, and loss of function.| Health
Seeds, like chia seeds, pumpkin seeds, and hemp seeds, are high in nutrients and important to overall health. Learn which seeds are the healthiest seeds you can eat.| Health
Foods high in antioxidants might protect against disease and aging. Learn which foods are highest in antioxidants and how you might benefit from eating them.| Health
Excessive phone use, also called cell phone addiction, may be resolved by monitoring screen time or removing your phone from your bedroom. Learn more.| Health
Asparagus has plenty of health and nutritional benefits. Here are all of the benefits and side effects of eating asparagus.| Health