The correlation between diet and lifestyle and the incidence of glioma.

A reasonable diet and lifestyle can prevent 30%-50% of cancers, but the effects on glioma are unclear.
believe that vegetables and antioxidants in the diet, such as vitamin C and vitamin A, have a protective effect on the body against cancer, while other factors are not associated with the incidence of glioma.
whether eating fish, coffee and tea can prevent glioma remains to be seen.
it is also important to maintain a proper weight and perform adequate daily physical activity;
Joanna Bielecka, of the Department of Dietetics at Biavestok Medical University in Poland, studied the effects of diet and lifestyle on the incidence of glioma, the results of which were published online in June 2020 in Nutrients.
: (1) Alcohol consumption is an important risk factor for tumor occurrence and increases the incidence of certain types of tumors.
meta-analysis found a positive correlation between alcohol consumption and overall mortality (RR=1.08; 95% CI, 1.02-1.16).
, the effects of alcohol consumption on the incidence of glioma remain unclear.
(2) Coffee is rich in a variety of health-promoting compounds with antioxidant, anti-fibrosis, anti-mutation and anti-cancer activity, but is prone to harmful substances such as acrylamide when baked.
, coffee reduces tumor incidence by 18%.
meta-analysis found no correlation between coffee intake and the incidence of glioma (RR=0.96; 95% CI, 0.81-1.13) and coffee intake was not associated with the incidence of glioma (RR=1.01; 95% CI, 0.83-1.22).
(3) tea, the active ingredient in green tea is no-eater, no-eater, no-food sour cream (EGCG), which can be used as an admix for TMZ, radiotherapy, or cisplatin to treat glioma.
cell experiments have found that EGCG inhibits the proliferation and invasion of glioma cells and promotes apoptosis.
studies have shown that drinking tea can reduce the incidence of glioma (RR=0.86; 95% CI, 0.78-0.94), however, the amount of tea drinking is not associated with the incidence of glioma (RR=0.88; 95% CI, 0.69-1.12).
(4) Fruits and vegetables contain a variety of anti-tumor ingredients, such as vitamins, flavonoids and isothionates, which protect DNA and repair DNA damage, regulate DNA methylation, induce phase II detoxifying enzymes, and promote apoptosis.
meta-analysis found that adequate vegetable intake may be a measure to prevent glioma, especially in Asian populations;
the effects of fruit intake on the incidence of glioma are not fully studied, but the intake of the right amount of fruit can reduce the incidence of many other types of tumors.
(5) Eating fish is rich in EPA and DHA, both of which protect brain tissue, so it is thought that eating fish can reduce the incidence of glioma.
, no significant correlation was reported between the incidence of edible fish and glioma (RR=0.81; 95% CI, 0.64-1.03).
, however, has a preventive effect on other types of brain tumors, and the specific mechanisms have yet to be studied.
(6) N-nitro compounds (NOCs) and hemoebin iron are the most important carcinogens in red meat and processed red meat.
is associated with colorectal, pancreatic and prostate cancers.
available literature, iron intake (including hemoebin and non-hemolybin) had no effect on the incidence of glioma.
meta-analysis results show that the incidence of edible processed red meat is related to the incidence of glioma, but it is still controversial.
(7) antioxidants, most studies in the United States have found that vitaminSA and vitamin C can reduce the incidence of glioma.
, a reasonable diet can play a role in preventing gliomas, especially by eating foods that provide adequate amounts of antioxidants.
(8) anthode measurements, overweight is a risk factor for many cancers and a risk factor for survival and poor prognostication in cancer patients.
increases the risk of glioma.
18-year-old obese adults had a nearly four-fold increase in the incidence of glioma compared to normal-weight adults (RR=3.74; 95% CI, 2.03-6.90).
study found that the timing of overweight is important, and that being overweight or obese before the age of 18 may increase the risk of glioblastoma, and that being overweight as an adult seems to have little effect.
(9) Physical activity, recommended for adults aged 18-64 to maintain healthy physical activity, the standard is at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes of high-intensity aerobic activity.
study found that physical activity reduced the risk of colon, breast and endometrial cancer.
physical activity affects metabolic, immune and hormone levels, such as IGF-1, while serum IGF-1 levels are positively correlate with the incidence of glioma.
physical activity during adolescence is particularly important for the prevention of gliomas, which can reduce the risk of glioma by 36%.
conclusions The authors conclude that the effects of diet and lifestyle on the incidence of gliomas are complex, the conclusions are unclear and require multi-regional, large-scale, forward-looking studies.
intake of coffee, tea, adequate amounts of vegetables and antioxidants (such as vitamin C and vitamin A) has a preventive effect on glioma.
alcohol consumption, red meat, processed red meat, iron intake and the incidence of glioma were not associated.
consumption of fish, coffee and tea did not increase the incidence of gliomas, but whether they could be prevented remains to be studied.
important to maintain an appropriate weight and perform adequate physical activity, especially during adolescence.
body mass index increases the incidence of glioma, and height is positively correlant with the incidence of glioma.
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