这种常见食材有助于延缓大脑衰老，还能防癌！

Group 1 - Regular consumption of mushrooms is associated with a lower risk of cancer, with a study indicating that eating 18 grams of mushrooms daily can reduce cancer risk by 45% compared to non-consumers [2] - The potential mechanism for mushrooms' cancer-preventive properties may be linked to ergothioneine, an antioxidant that helps prevent oxidative stress and may lower the risk of certain cancers, particularly breast cancer [4] - Eating mushrooms may also help alleviate cognitive decline associated with aging, with research showing that consuming over 12 grams of fresh mushrooms daily is linked to better scores in various cognitive domains [5] Group 2 - Mushrooms are rich in chitin, which has been shown to positively impact the immune system and may help prevent obesity by reducing weight gain and body fat [6][7] - Mushrooms are a unique source of nutrients, including vitamin D, which is essential for calcium absorption and bone health; exposure to sunlight can significantly increase their vitamin D content [11][12] - Mushrooms also contain high levels of B vitamins, which are crucial for energy metabolism and cell growth, with specific varieties showing higher concentrations than common grains [14] Group 3 - Caution is advised when consuming mushrooms, particularly regarding the identification of wild mushrooms to avoid poisoning [21] - Prolonged soaking of mushrooms can lead to nutrient loss, particularly water-soluble vitamins, and may also promote microbial growth [22][23] - Individuals with gout should be cautious with mushroom consumption due to their purine content, which can exacerbate symptoms [24][25]