这10个行为，看似很爽，其实很伤身体！

Group 1 - The article discusses various harmful habits that people commonly engage in, highlighting their negative impacts on health [1] - It emphasizes the importance of being aware of these habits to prevent potential health issues [1] Group 2 - Napping immediately after meals can slow down digestion and lead to discomfort due to reduced blood flow to the brain [3][4] - Cutting nails too short can cause ingrown nails and infections like paronychia [6] - Slouching on the sofa can lead to muscle strain and spinal issues due to improper posture [9][10] - Using a phone in the dark can damage the eyes and increase the risk of macular degeneration due to blue light exposure [11][12] - Frequent ear cleaning can irritate the ear canal and lead to ear infections [13][14] - Prolonged sitting can cause muscle atrophy and increase the risk of joint issues [15][16][17] - Picking the nose can introduce bacteria and cause irritation to the nasal mucosa [18][20] - Skipping breakfast after staying up late can disrupt the body's natural rhythm and lead to digestive issues [21][22][23] - Using fingers to clean teeth can damage gums; dental tools like floss should be used instead [24][26] - Peeling lips can lead to infections and should be treated with moisturizing methods [27][28]