Vitamin D, Vitamin B12, and Calcium are all common nutritional deficiencies among the elderly. Vitamin D is important for bone health, Vitamin B12 is important for nerve function, and Calcium is important for bone and muscle health.

Decreased thirst sensation, impaired kidney function, and medications that cause fluid loss are all common causes of dehydration in the elderly.

Weight loss, muscle loss, and decreased appetite are all signs of malnutrition in the elderly.

The recommended daily fluid intake for the elderly is 8-10 cups.

Lean meat, fish, and beans are all good sources of protein for the elderly.

Milk, yogurt, and cheese are all good sources of calcium for the elderly.

Fatty fish, eggs, and fortified milk are all good sources of vitamin D for the elderly.

Fruits, vegetables, and whole grains are all good sources of fiber for the elderly.

Social isolation, depression, and difficulty chewing or swallowing are all common causes of malnutrition in the elderly.

Increased risk of infection, delayed wound healing, and muscle weakness are all common consequences of malnutrition in the elderly.

Eating a healthy diet, staying hydrated, and getting regular exercise are all recommended ways to prevent malnutrition in the elderly.

Providing nutritional supplements, increasing food intake, and improving oral health are all recommended ways to treat malnutrition in the elderly.

Decreased thirst sensation, impaired kidney function, and medications that cause fluid loss are all common causes of dehydration in the elderly.

Dry mouth, dark urine, and confusion are all signs of dehydration in the elderly.

Drinking plenty of fluids, eating fruits and vegetables, and avoiding caffeine and alcohol are all recommended ways to prevent dehydration in the elderly.