- Human nails are made of a protein called keratin, the same protein found in hair and skin.
- Nails grow from the nail matrix, a region of cells at the base of the nail bed.
- Nails grow at an average rate of about 3mm per month.
- Fingernails grow faster than toenails.
- Lunula is the white crescent-shaped part at the base of the nail.
- Nails are translucent, which gives them a pinkish color due to the blood vessels underneath.
- Nails protect our delicate fingertips and toes.
- Nails can provide clues about a person’s overall health, such as nutritional deficiencies or underlying medical conditions.
- Nails can grow faster during the summer months or during pregnancy.
- The hardness and thickness of nails vary among individuals.
- Nails can become brittle and weak due to factors like excessive use of nail polish, frequent exposure to water, or certain medical conditions.
- The cuticle is a thin layer of skin that protects the base of the nail from infection.
- Biting nails, known as onychophagia, is a common habit that can damage the nail bed and increase the risk of infection.
- The average lifespan of a fingernail is about six months, while toenails can take up to a year to fully grow out.
- Nails can become yellowed or discolored due to fungal infections or the use of certain medications.
- Beau’s lines are horizontal depressions or ridges that can appear on the nails after experiencing illness or injury.
- White spots on the nails, called leukonychia, are often harmless and can be caused by minor trauma or zinc deficiency.
- Nails can be affected by conditions like psoriasis, eczema, or nail fungus.
- Ingrown nails occur when the edge of the nail grows into the surrounding skin, causing pain and inflammation.
- Nails can be filed and shaped into different styles, such as square, round, oval, or pointed.
- Manicures and pedicures involve grooming and beautifying the nails, often including trimming, filing, and polishing.
- Nail art is a popular form of self-expression in which intricate designs and patterns are painted on nails.
- Gel nails are artificial nails that are cured under a UV or LED lamp to create a long-lasting and glossy finish.
- Acrylic nails are another type of artificial nails that are made by applying a liquid and powder mixture onto the natural nails.
- Nails can be naturally ridged or smooth, depending on genetics and age.
- The hyponychium is the skin under the free edge of the nail. It helps seal the nail bed and protect it from bacteria and debris.
- Nails can provide clues about a person’s hygiene habits, as dirt and bacteria can accumulate under the nails if not cleaned properly.
- Nail biting can transfer bacteria from the hands to the mouth, increasing the risk of infections.
- Some people experience a condition called onycholysis, where the nail separates from the nail bed, causing pain and a gap between the nail and skin.
- Nails can grow back if they are partially or completely lost due to injury or medical procedures.
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