Vitamin Deficiency: Symptoms & Diagnosis

Muscle cramps and spasms: why they happen, the role of magnesium, potassium, calcium and sodium, how to tell an electrolyte deficiency from other causes, and what to do for prevention.

Dry skin and cracked heels: the role of vitamin A, E and Omega-3 deficiency, how it affects the skin, food sources, norms and practical recommendations.