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.
What causes toe nails to fall off? A toenail rarely falls off without any warning signs. Discoloration, bleeding and a visible loosening of the nail are common indicators, according to FootVitals. If a fungal infection is the cause, a thickening of the nail and a foul odor are also typical, states Mayo Clinic. See a doctor immediately if these symptoms arise to prevent the spreading of any possible infection. Toenail fungus often requires medication or laser treatments to get rid of it entirely.