In the summer heat, many people prefer to go barefoot in their shoes. However, Dr. Lu Tao, a dermatologist at the Affiliated Hospital of Tianjin Armed Police Medical College, has warned that this practice can pose five serious health risks. First, going barefoot increases the chances of injury and infection. Exposing your feet directly to the environment makes them more vulnerable to bumps, insect bites, and blisters from prolonged walking. Additionally, bacteria in the air can easily attach to the skin, especially if there are any cuts or wounds, which may lead to infections. Second, direct exposure to sunlight can harm the skin. The sun’s ultraviolet rays generate harmful free radicals that damage skin cells, accelerate melanin production, and cause pigmentation, dryness, and loss of elasticity. Statistics show that a large portion of the foot is exposed when wearing open-toed shoes, significantly increasing the risk of skin cancer. Third, it can lead to thickened skin and dermatitis. Constant friction between the feet and shoes causes the heels and toes to become calloused, leading to painful corns and blisters. In addition, some individuals may develop allergic reactions to materials like leather or rubber, resulting in redness, rashes, and blisters—known as contact dermatitis. Fourth, going barefoot increases the risk of fungal infections. Sweaty feet create a warm, moist environment ideal for fungi to thrive, especially when wearing sandals or breathable shoes without socks. This can result in athlete’s foot or other fungal infections. Fifth, it can cause cold-related foot problems. The soles of the feet have a thin fat layer and poor blood circulation, making them prone to cold. When feet get cold, it can trigger a reflexive constriction of blood vessels in the upper respiratory tract, lowering resistance to germs and increasing the risk of colds and other illnesses. Wet conditions can also cause stomachaches, back pain, leg discomfort, and even menstrual cramps in women. Dr. Lu Tao advises people to take care of their feet during the summer. Avoid going barefoot whenever possible, and wear socks that act as a protective layer between the skin and shoes. Opt for thin cotton socks in hot weather, and consider using insoles to absorb sweat and prevent rubbing. Those with contact dermatitis should avoid allergens and seek medical attention if symptoms persist. Other related tips include: - Transform old shoes into stylish spikes. - Don’t throw away old shoes—repurpose them instead. - Add a physical insurance to your shoes for extra protection. - Learn how to clean matte shoe surfaces. - Use breathable, antibacterial socks to avoid odor. - Discover the hidden functions of sports shoe heels. - Reduce the noise of high-heeled shoes with these 4 tricks. - Choose the right shoes during pregnancy—flat shoes may not be safe. - What to do if your shoes get moldy. - Wearing certain shoes in summer can actually harm you.

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