The benefits of fruits for the human body are well known, they are rich in vitamins, minerals, and antioxidants that help maintain good health.
In some cases, certain fruits may have negative health effects. For example, there are two so-called "fruits" that may increase the risk of cancer. We need to have a deep understanding of these fruits and be wary of their potential hazards.
1.Moldy fruit.
When the fruit is moldy, many people think that they can eat it as long as they cut it off.
It is not recommended to cut off the moldy part of the moldy fruit and eat it. While it may appear that only a portion of the visible mold has been removed, in reality, the mold contamination may have spread to other parts of the fruit, especially if the mold is occurring inside the fruit.
1.Toxin distribution: Some molds are capable of producing toxic metabolites such as:Aflatoxin, these toxins may be distributed throughout the fruit, not just on the surface. Even if the moldy part is cut off, the toxin may have been absorbed by the fruit's cells.
2.Microbial activity: Mold is not the only microorganism that can grow on moldy fruit. Other bacteria and fungi may also be multiplying, and these microorganisms may also pose a threat to health.
3.Food safety: Food safety standards require that food must be sterile, and moldy fruit no longer meets this standard, and even if the moldy part is removed, the remaining fruit may no longer be safe to eat.
Therefore, to ensure health, moldy fruit should be discarded whole, and no parts that are already moldy should be cut or consumed. The right thing to do is to clean the fruit storage area in a timely manner to prevent further spread of mold and buy fresh, mold-free fruit.
2.Areca catechu. 
Areca nut is a tropical plant whose ripe fruit is processed into dried fruits that are widely used for chewing. In some cultures, betel nut is believed to have a refreshing and social effect. However, the chewing of betel nut has several hazards to human health:
1.Oral health: Long-term betel nut chewing can lead to oral cancer, oral mucosal lesions such as mouth sores and vitiligo, periodontal disease, and tooth wear. The chemicals in betel nut can cause chronic irritation in the mouth.
2.Oral cancer risk: There is a significant association between betel nut chewing and oral cancer, especially in those who consume betel nut in large amounts over a long period of time.
3.Cardiovascular disease: Areca nut use has been linked to an increased risk of cardiovascular diseases such as heart disease, high blood pressure, and stroke.
4.Digestive effects: The chewing of betel nut can lead to digestive disorders such as gastritis and stomach ulcers.
5.Reproductive health: Studies have shown that betel nut use may adversely affect reproductive health, including reduced fertility and embryonic development issues.
6.Addictiveness: Nicotine and other chemicals in betel nut can cause dependence and addiction.
7.Oral and social problems: Long-term betel nut chewing may lead to bad breath, tooth discoloration, and changes in the structure of the mouth, which can affect an individual's social and mental health.
Due to these health risks, many countries and regions have adopted restrictions on betel nut, including banning the sale to minors, raising public awareness of the dangers of betel nut, and restricting betel nut chewing in public. The World Health Organization also lists betel nut as a substance that can cause cancer. Therefore, to protect health, it is advisable to avoid the chewing of betel nut.
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