Particularmente importante para os destinatários do ditado popular "quem tem unhas não toca guitarra" (se verdade):
http://www.ariquemesonline.com.br/noticia.asp?cod=343900&codDep=42
Citando:
"Coma alimentos ricos em biotina
A biotina (vitamina B7) ajuda na estrutura das unhas e dos cabelos e é encontrada em cereais integrais (arroz, aveia, trigo), em castanhas e no ovo. Alimentos alaranjados, como mamão, abóbora e cenoura também fortalecem as unhas."
Sugestões para tratamentos naturais de fungos (para evitar os efeitos secundários dos tratamentos):
http://www.express.co.uk/life-style/health/706715/fungal-yeast-infection-ringworm-athlete-s-foot-thrush-diet
Citando (por falar em Equilíbrio - título deste sítio):
"There are approximately 200 species of fungi that live on the feet of humans, and many other living on and inside the body, which usually cause no harm.
Nat explained: “However when the immune system is affected or the natural balance of the microbes is upset through diet, medications, chemicals or toxins, fungi can proliferate and cause illnesses and rashes on the skin and under the nails.”"
A cor das unhas pode indicar infecção por fungos ou outras coisas algo piores. Eis a lista:
http://www.express.co.uk/life-style/health/782422/nail-colour-fungal-nail-infection-cure-yellow-toenail
http://www.mirror.co.uk/science/you-sometimes-little-white-spots-9860481
Citando:
"But, generally, you can rest assured that white dots – known scientifically as punctate leukonychia – on your nails are nothing sinister. Typically, they appear simply because there's been some trauma to the nail."
(...)
"Puncate might not mean a lack of calcium, but could suggest a zinc deficiency. Eating foods such as spinach, kidney beans, beef, and seeds is a good way to combat this."