The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Carbon Cycle
Typical life cycle of the tick family.
The Citric Acid Cycle
The Female Reproductive Cycle "الدورة الشهرية أو الدورة الطمثية ...