Depression

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Depression

NIH - Medical Encyclopedia Depression

"Depression may be described as feeling sad, blue, unhappy, miserable, or down in the dumps. Most of us feel this way at one time or another for short periods. But true clinical depression is a mood disorder in which feelings of sadness, loss, anger, or frustration interfere with everyday life for an extended time. … The main types of depression include: Major depression -- five or more symptoms listed above must be present for at least 2 weeks, but major depression tends to continue for at least 6 months. (Depression is classified as minor depression if less than five depressive symptoms are present for at least 2 weeks.) and Dysthymia -- a chronic, generally milder form of depression but lasts longer -- usually as long as two years. Depression also includes atypical depression, postpartum depression, Premenstrual dysphoric disorder (PMDD), and Seasonal affective disorder (SAD). … If you are depressed for 2 weeks or longer, you should contact your doctor, who can offer treatment options. … Call 911, a suicide hotline, or get safely to a nearby emergency room if you have thoughts of suicide, a suicidal plan, or thoughts of harming yourself or others."

Highlighted Article

Regular exercise, anxiety, depression and personality: A population-based study. (Prev Med. 2006)

"This study corroborates and extends previous findings: regular exercise is cross-sectionally associated with lower neuroticism, anxiety and depression and higher extraversion and sensation seeking in the population."

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Depression

Risk Reduction

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Association of the Mediterranean Dietary Pattern With the Incidence of Depression (Arch Gen Psychiatry. 2009) “Conclusions Our results suggest a potential protective role of the MDP with regard to the prevention of depressive disorders … “

To Feel Better, Low-Fat Diet May Be Best “"The exact mechanism for the observed effects on mood still remains largely unknown," Brinkworth said. "However, if the mechanism for the return of mood toward more negative baseline levels following weight loss with a very low-carbohydrate diet is related to this diet being so far removed from normal dietary habits, then a very low-carbohydrate diet may be best recommended for individuals who habitually consume low amounts of carbohydrate foods in their diet." More carbs can increase serotonin concentrations in the brain, whereas added fat and protein can reduce concentrations. Serotonin is a neurotransmitter involved in mood. "Altered mood has been shown to influence interpersonal behavior and, therefore, the consumption of a very low-carbohydrate diet may have psychosocial consequences for interpersonal behavior and relationships," Brinkworth said. "I am not entirely clear as to the effects of mood on long-term weight loss; however a recent review article ... suggested that one of the factors that may pose risk for poor long-term weight maintenance may be 'eating in response to negative emotions and stress.'" "Therefore, since negative mood may promote overeating, this suggests that consumption of a very low-carbohydrate diet over an even longer period beyond one year may have implications for maintaining dietary habits and weight loss maintenance," he added. "Further, longer-term studies would be required to confirm this."”

ARTICLES:

JOURNAL ARTICLES:

Association of the Mediterranean dietary pattern with the incidence of depression: the Seguimiento Universidad de Navarra/University of Navar ra follow-up (SUN) cohort. ( Arch Gen Psychiatry. 2009) “CONCLUSIONS: Our results suggest a potential protective role of the MDP with regard to the prevention of depressive disorders; additional longitudinal studies and trials are needed to confirm these findings.”

Higher dietary intake of long-chain omega-3 polyunsaturated fatty acids is inversely associated with depressive symptoms in women. (Nutrition. 2009) “CONCLUSION: Our findings suggest that dietary intakes of fish and long-chain omega-3 fatty acids may be inversely associated with chronic depressive symptoms in women.”

Long-Term Fish Intake Is Associated With Less Severe Depressive Symptoms Among Elderly Men and Women: The MEDIS (MEDiterranean ISlands Elderly) Epidemiological Study. (J Aging Health. 2009)

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