This study was designed to define the lipopolysaccharide (LPS) sensitivity of aged mice in terms of lethality and cytokine production and to determine down-regulating responses of corticosterone and interleukin 10 (IL-10). The 50% lethal doses of LPS in young (6- to 7-week-old) and aged (98- to 102-week-old) mice were 601 and 93 microg per mouse (25.6 and 1.6 mg per kg of body weight), respecti...

when i first met this nice lady, i was in an evening work shift of ccu. this 69 years-old woman had been referred recently to our ward. she had a pale and puffy face. she suffered from chf. she had a normal breathing, but her ankle was swollen.   we stabilized her condition easily but, it was just the first step in her treatment way. prevention of recurrence of heart attack was our goal. every ...

Although it is widely believed that sex no longer matters after middle age, the opposite is true, and sex often becomes more and not less important as a person grows older. Because sex is among the last pleasure-giving biological processes to deteriorate, it is potentially an enduring source of gratification at a time when these are becoming fewer and fewer, and a link to the joys of youth.Thes...