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.
Toenail fungus is probably the topic that readers have asked us most about over the years. Thatâs not surprising since it is so common, so unpleasant, and so hard to treat. The fungus causes the toenail, particularly on the big toe, to thicken and discolor; the end may separate from the nail bed. Often, the nail is so thick you canât cut it. In severe cases, the nail may detach and fall off. Medically known as onychomycosis, toenail fungus is increasingly common, possibly because of lifestyle changes and an aging population.