Quick Answer. An average person can walk one mile on a flat, well-groomed surface in 17 to 20 minutes. A fit person walking briskly can walk a mile in 13 minutes. An estimated average walking speed for calculating how long a hike or walk will take is around 3 miles per hour. Continue Reading.
4. Health Conditions. If your nails are brittle it may be a sign that you are getting an inadequate amount of oxygen to the feet, which can signal a respiratory issue such as asthma. Psoriasis can mimic the symptoms of a fungal infection in the toenails, causing them to become brittle or fall off. Hyperthyroidism or hypothyroidism can also cause the nails to split or separate easily. Dehydration, alopecia areata or eczema can also cause the nails to become brittle.
Using your fingernails as tools for scraping and prying will also cause nail injuries, and nails can break and split during normal everyday activities. Keeping your nails trimmed short and filing them with an emery board into a rounded shape can prevent the splitting and peeling from getting worse.oisture. Most cases of splitting nails are caused by moisture, according to the American Osteopathic College of Dermatology. Repeatedly wetting and drying your hands, and, by extension, your fingernails, can cause the nails to dry out.