Worried that the white spots under your nails could be a ... anything to do with a calcium deficiency. From the idea that eating carrots can help you see in the dark to the belief that cracking ...

Deficiencies ... or biotin (vitamin B7). Iron plays a crucial role in delivering oxygen to hair follicles, while zinc aids tissue growth and repair. Brittle nails: A lack of biotin can affect ...

Signs such as dry skin, brittle nails ... in dark green leafy vegetables, fruits and seafood. Thinning hair or hair loss is often associated with deficiencies in iron, zinc, or biotin (vitamin ...