Do [ Effect of chronic lead poisoning on the parameters of heart rate variability ]?
In subjects occupationally exposed to lead, HRV is lower than in healthy men, which results rather from the decreased parasympathetic than from the increased sympathetic activity.
The present study found that residing in a nuclear family system is a strong independent predictor of depression in the elderly. The prevalence of depression in the elderly population in our study was moderately high and a cause of concern. The transition in family systems towards nucleation may have a major deleterious effect on the physical and mental health of the elderly.