Crying is a physical reaction to emotional stimulus. The scientific name for crying is lacrimation. During crying, elevated heart rates have been observed. Tears are released through the tear ducts, coating the eyes and overflowing from them.
While many factors can cause humans to feel sad for variable periods of time, true depression is a psychiatric symptom that has clear chemical origins. Research on depression and in the field of neuropsychology has revealed that low levels of...
Exogenous depression is brought about by traumatic life events. Often referred to as reactive or situational depression, it differs in origin from what is known as endogenous depression, which is likely precipitated by a genetic or physiological...
Exercise has long been advocated as a treatment for depression. A 2000 study published in "Psychosomatic Medicine" found that moderate aerobic exercise was as effective as medication in decreasing symptoms of major depression and that subjects who...
The physiological benefits of exercise are widely known. However, the true advantages of working out regularly extend far beyond fleshly boundaries. Exercise has a positive affect on mental health, enhancing a diverse range of cognitive abilities....
According to the National Institute of Mental Health, or NIMH, major depressive disorder affects approximately 6.7 percent of the U.S. population over age 18. The primary signs of depression are hopelessness, helplessness and a sense of futility....
Exercise and mood are linked. Exercise has earned a reputation for lifting the spirits, and has a well-documented history of benefiting health, immunity and feelings of well-being, according to the Mayo Clinic. In the medical world, exercise is...
Bipolar disorder is divided into two subtypes: I and II. People with bipolar I disorder can experience both manic and hypomanic episodes over the course of their lives, whereas only hypomania occurs in bipolar II. Other important differences...
Threonine is one of the 20 "normal" amino acids. While you might have heard that you can take threonine supplements as a treatment for anxiety, there's no scientific proof to back this up. You need threonine to maintain normal body function ---...
People with depression often feel sad and unmotivated and lose interest in everyday activities. For these people, getting out of the house and interacting with people at the gym or on a jog can be the first step to leading a more positive...
Epidemiologists estimate that pain, caused by various conditions, affects 76.2 million people in the United States, according to the American Pain Foundation. Depression, the leading cause of disability among young adults, may afflict 14.8 million...
Common symptoms of depression are crying spells, sadness, reduced self-esteem and a lack of interest in previously-enjoyed activities. For some people, however, an additional symptom of depression may be a craving for salty foods. In fact, recent...
Stress is a biological, double-edged sword. On the one hand, the body evolved with stress. A 2009 study by the University of Missouri finds that a lack of stress could impair the body's ability to respond to disease. However, stress can also cause...
Exercise isn't just good for your body, it's also good for your brain. In recent years, studies have shown that exercise produces significant changes in your brain chemistry, leading to benefits such as an improved mood, decreased instances of...
Central nervous system, or CNS, depressants are drugs that physiologically depress activities of the brain that control vital processes in the body. The role of CNS depressants, according to Drugs.Com, is to decrease breathing function and heart...
Physiology is the study of how the human body works. Your physiological state can help determine your physical and mental health. According to Anthony Robbins, author of "Unlimited Power: The New Science of Personal Achievement," when...
Zinc is an essential trace element. While your body only needs a small amount to function properly, zinc deficiency can lead to a variety of health problems, including slow wound healing and diarrhea. Researchers also continue to investigate the...
Exercise plays an important role in your overall physical health and wellness. In fact, the Centers for Disease Control and Prevention, or CDC, recommends that all adults in the United States get at least 150 minutes of exercise every week to...
Depression is a complex disorder marked by elongated bouts of depressive moods and feelings that interrupt a person's usual life activities. Though depression is an emotional illness, it often poses physiological consequences, such as physical...
Clinical depression is a serious mental health condition affecting how you act, feel and think. Depression is characterized by sleep disturbances, appetite changes, headaches, loss of interest in pleasurable activities, difficulty concentrating,...
The mineral zinc is involved in scores of bodily systems and functions including the digestive, immune, glandular and musculoskeletal systems. It is also contributes to neural activity, suggesting a role in mental functioning. In numerous studies,...
Depression affects many aspects of a person's--energy levels, mood, motivation and willpower. However, exercise can help alleviate depression symptoms. Though it may take more effort to start and maintain an exercise regimen when depressed, the...
Cross-culturally, humans seek out substances that modify the way they feel or experience their environments. Reasons for using mind-altering substances vary but can include relaxation, increased alertness and recreation. Alcohol, perhaps the...
Depression is one of the most common mental health issues in the United States. The Centers for Disease Control and Prevention reports that in any 2-week period about 5.4 percent of Americans ages 12 and older are experiencing depression. There...
Depression effects nearly everyone at some point in life. The effects, struggles and set-backs of everyday living take a toll over time. Depression can interfere with work, home life, eating, sleeping and having fun. Although serious depression...
Depression can be a serious medical issue that involves your brain and affects more than 20 million people in the United States, according to Medline Plus. Making lifestyle changes, including participating in regular aerobic exercise, is an...
The stressors of modern living commonly lead to feelings of anxiety. In moderation, anxiety is effectively dealt with if hormone and brain chemical levels are properly regulated and no deficiency of essential nutrients exist. If stressors are...
Sadness and nervousness are normal emotions and having a bad day is not uncommon. Although the stressors may be different, children and adolescents experience the same emotions as adults. According to the National Institute on Mental Health, 14.8...
Impotence, or more recently termed erectile dysfunction, or ED, is defined as the inability to achieve and/or maintain an erection sufficient enough to have sexual intercourse. Erectile function is closely tied to male virility and impotence and...