Here are some side effects of some food groups that are considered good for health when used at inappropriate doses.
Fruit
Although fruit is one of the healthiest food groups, always recommended by nutritionists to eat every day, eating too many fruits with high sugar content (ham, grapes, bananas) can increase blood sugar levels.
Citrus fruits (orange and lemon) can cause acidity or erosion of tooth enamel.
Excess fiber from fruits like pears and apples can cause bloating.
Vegetables
cruciferous vegetables (broccoli, white mustard, cabbage) are very healthy, however, if you eat them too much, it can cause bloating and flatulence.
Spinach contains oxalate, which can cause kidney stones if eaten too much.
Eating too much raw vegetables can cause indigestion.
Whole grains
Eating too many whole grains can cause fiber overload, leading to bloating, flatulence or abdominal pain.
Eating unsoaked quinoa can interfere with the absorption of minerals such as iron and zinc.
Nuts
Nuts such as almonds, macadamia, walnuts... are high in calories, eating too much can cause weight gain.
If you eat too many chia seeds and flax seeds without drinking enough water, it can cause bloating and indigestion.
For some people with allergic reactions, eating nuts can cause allergic reactions.
