How many calories are there in a hard boiled egg? There are 78 Calories in one hard-boiled egg. Eggs are low in sugar, high in protein and contain 14 grams of total fat. How Bad Is The Cholesterol In Eggs For Your Heart? This is an interesting question, because there is a high level of cholesterol in hard boiled eggs.
1 Kidney disease can cause a build-up of nitrogen waste products in the blood, which can damage nails. 2  Liver disease can damage nails.  Thyroid diseases such as hyperthyroidism or hypothyroidism may cause brittle nails or splitting of the nail bed from the nail plate (onycholysis).
They're often a sign of a fungal nail infection or injury, but can sometimes indicate a more serious underlying disease. Visit your GP if your nails have changed in colour, texture, shape or thickness and you don't know why (you haven't injured your nails or been biting them).ometimes, brittle or crumbly nails can be caused by: 1  a fungal nail infection, which can be cleared by taking a course of antifungal tablets (this especially tends to be the cause for crumbly toenails). 2  a skin condition called lichen planus, which can just affect the nails.