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Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5]
Malnutrition in older adults is a significant health concern, linked to increased mortality, morbidity, and physical decline, which adversely impacts daily activities and overall quality of life. This condition is common among the elderly and can also contribute to the development of geriatric syndromes. [ 166 ]
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Pregnant women and elderly adults have different nutritional needs compared to other adults, and a multivitamin may be indicated by a physician. Generally, medical advice is to avoid multivitamins during pregnancy, particularly those containing vitamin A, unless they are recommended by a health care professional.
In some cases, vitamin supplements may have unwanted effects, especially if taken before surgery, with other dietary supplements or medicines, or if the person taking them has certain health conditions. [73] They may also contain levels of vitamins many times higher, and in different forms, than one may ingest through food.
Older adults need about 600 – 800 IU of vitamin D daily, depending on their age. ... Some common signs of vitamin D deficiency include: Fatigue. Mood changes. Muscle pain and weakness.
Humans require thirteen vitamins in their diet, most of which are actually groups of related molecules (e.g. vitamin E includes tocopherols and tocotrienols): [20] vitamins A, C, D, E, K, thiamine (B 1), riboflavin (B 2), niacin (B 3), pantothenic acid (B 5), pyridoxine (B 6), biotin (B 7), folate (B 9), and cobalamin (B 12). The requirement ...
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