25 lesser known facts about human nails you should know

Fact 1: Human nails are composed of a protein called keratin, the same protein found in hair and the outer layer of skin.

Fact 2: Nails grow faster on fingers that are dominant in hand use, and the nails on the dominant hand also experience more wear and tear.

Fact 3: Fingernails generally grow faster than toenails, and the nails on the middle fingers tend to grow faster than the others.

Fact 4: The lunula, or the visible part of the matrix, is often incorrectly referred to as the "moon" of the nail. It's the crescent-shaped whitish area at the base of the nail.

Fact 5: The average growth rate for nails is about 1/8 inch per month, but this can vary based on factors like age, sex, and health.

Fact 6: Nails are translucent, and the pinkish hue comes from the blood vessels underneath the nail bed.

Fact 7: Nails don't actually "breathe." They receive their nutrients and oxygen from the blood supply in the nail bed.

Fact 8: The cuticle plays a crucial role in protecting the nail matrix (the tissue under the cuticle), preventing infection and promoting healthy nail growth.

Fact 9: Nails are a mirror of your health. Changes in color, thickness, or shape can indicate underlying health issues.

Fact 10: The white spots that sometimes appear on nails are called leukonychia and are usually caused by minor injuries to the base of the nail.

Fact 11: Nails have an essential function in providing a protective plate for the fingertips, aiding in tasks like picking up small objects.

Fact 12: The condition of your nails can be influenced by your diet, with nutrients like biotin, iron, and vitamins playing a role in their health.

Fact 13: Nail biting, also known as onychophagia, can lead to various issues, including infections and changes in the shape of the nails.

Fact 14: The technical term for the study of nails is "onychology."

Fact 15: Nails can reveal clues about your lifestyle, occupation, and hobbies, as different activities may affect their appearance.

Fact 16: Some people have a condition called pterygium, where the skin on the sides of the nail grows over the nail plate.

Fact 17: Fingernails can grow faster during the daytime and in the summer than at night or in the winter.

Fact 18: Nails are sensitive to temperature changes, and cold weather can make them more brittle.

Fact 19: The practice of decorating nails, known as nail art, has a rich history dating back to ancient civilizations.

Fact 20: The world record for the longest fingernails on a pair of hands ever (male) is held by Lee Redmond, with a combined length of over 8 meters.

Fact 21: The Guinness World Record for the longest fingernails on a pair of hands ever (female) is held by Lee Redmond, with a combined length of over 8 meters.

Fact 22: Fingernails have a protective role in enhancing the sensitivity of fingertips, aiding in tasks that require touch and feel.

Fact 23: Nail biting is a common habit and is often associated with stress and anxiety.

Fact 24: The ancient Egyptians were among the first to use manicure tools, and nail care was a sign of social status.

Fact 25: The study of nails can provide insights into historical periods, as different cultures had distinct preferences and practices related to nail care.