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Medtronic and Alcatel developed a plutonium-powered pacemaker, the Numec NU-5, powered by a 2.5 Ci slug of plutonium 238, first implanted in a human patient in 1970. The 139 Numec NU-5 nuclear pacemakers implanted in the 1970s are expected to never need replacing, an advantage over non-nuclear pacemakers, which require surgical replacement of ...
Most women over 60 have entered a new phase in life and health: post-menopause. According to Dr. Tara Scott, MD , gynecologist and Medical Advisor at Versalie, by the age of 60, most women are ...
Researchers have found that molecules and microorganisms both inside and outside our bodies are going through dramatic changes, first around age 44 and again at 60. Research shows why it feels ...
Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...
Frailty refers to an age-related functional decline and heightened state of vulnerability. It is a worsening of functional status compared to the normal physiological process of aging. It can refer to the combination of a decline of physical and physiological aspects of a human body.
Diamond battery is the name of a nuclear battery concept proposed by the University of ... its energy density would be approximately 3.3 Wh/g over its 100-year ...
Late-life depression is often underdiagnosed, which is due to numerous reasons, including that depressed mood is commonly not as prominent as other somatic and psychotic symptoms such as loss of appetite, disruptions in sleep, lack of energy or anergia, fatigue, and loss of interest and enjoyment in normal life activities.
A Mk. 21 reentry vehicle is subjected to a wall of fire to determine how its aging components would react if used today.. Stockpile stewardship refers to the United States program of reliability testing, viability, and the maintenance of its nuclear weapons without the use of nuclear testing.