Vitamin B12 deficiency can cause symptoms of anemia, nerve problems, and sensory changes that often resemble other conditions, making diagnosis difficult. Most cases are due to low dietary intake or ...

Dry skin, or xeroderma and xerosis, occurs in 40% to 60% of all adults, especially in winter. It occurs in 70% to 99% of adults aged 60 years of age or older and increases with age.