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2. Vitamin A - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A

   Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...

3. Vitamin A deficiency - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A_Deficiency

   Although synthetic vitamin A supplementation is a useful and effective treatment for VAD, a 2017 review (updated in 2022) reported that synthetic vitamin A supplementation may not be the best long‐term solution for vitamin A deficiency, but rather food fortification, improved food distribution programs, and crop improvement, such as for ...

4. Food choice of older adults - Wikipedia

   en.wikipedia.org/wiki/Food_choice_of_older_adults

   A person's taste buds, needs for certain vitamins and other nutrients, and their desire for different types of food can change throughout that person's life. 50 young adults and 48 elderly adults participated in a study by the Monell Chemical Senses Center. [4] "Young" subjects ranged from 18 to 35 years of age, and "elderly" subjects were ...

5. Which foods are considered 'healthy?' FDA issues new label ...

   www.aol.com/news/foods-considered-healthy-fda...

   The criteria for labeling a food "healthy" will match current nutrition science, FDA said, along with the Dietary Guidelines for Americans and updated Nutrition Facts label, which requires ...

6. Reference Daily Intake - Wikipedia

   en.wikipedia.org/wiki/Reference_Daily_Intake

   The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.

7. Popular vitamin won’t prevent a fall or fracture in older ...

   www.aol.com/news/popular-vitamin-won-t-prevent...

   Vitamin D and calcium are essential for overall health, but don’t reduce the risk of falls or fractures in generally healthy older adults, according to a new draft recommendation from the US ...