Hypocalcemia, or low levels of calcium in the blood, can lead to calcium deficiency symptoms such as muscle aches and fatigue. To boost calcium levels, a doctor may recommend eating more calcium ...

Niacin deficiency is a condition that occurs when a person doesn't get enough or can't absorb niacin or its amino acid precursor, tryptophan. In the United States, niacin deficiency is exceedingly ...

Getty Images Emerging research highlights vitamin D’s critical role in childhood growth, bone development, and gut health. The Conversation — You’ve likely heard about vitamin D’s ...

A zinc deficiency can directly affect testosterone production, which in turn can undermine your fitness progress, so it’s essential to understand how these two are connected. So, you think that you ...

Studying a monogenic condition like Alpha-1 Antitrypsin Deficiency provides a unique opportunity to better understand disease progression. This work deepens our insight into protein folding disorders ...

The primary sign of growth hormone deficiency in children is short stature. Adults may have decreased muscle mass and increased body fat, as well as other problems such as heart disease and ...

You may face protein deficiency in the clinical sense, but that doesn’t mean your body isn’t sending subtle distress signals. If you're feeling persistently fatigued or have brittle nails that ...

Protein has always been important, but it's especially hot right now, and for good reason. It's not just an essential macronutrient, but also the building blocks for muscle strength, metabolism ...

While we often think that the cause is dehydration or harsh weather, sometimes it could indicate a deficiency of B vitamins. Our lips don’t have oil glands like the rest of our skin. That’s why ...

Iron deficiency anemia is the most common type of anemia. Iron works to boost the production of hemoglobin, which also helps to form more red blood cells. Low iron levels can result in low levels ...

Vitamin B12 deficiency can affect people of any age, and symptoms can develop suddenly or slowly worsen over time. In the most severe cases, it even can mimic the effects of Alzheimer's disease ...

Q: I HAD a vitamin D deficiency but after prescription-strength tablets, I still feel dreadful. Why? A: Vitamin D deficiency is surprisingly common in the UK. That’s despite guidelines advising ...