We all know that breakfast is the most important meal of the day.It not only helps to launch metabolism, burn calories, but also provides energy needed to complete the job.Many studies have shown a positive link of healthy breakfast with human health.However, there are also habits that negatively affect the body.

Here are 5 things to avoid at breakfast because they can shorten your life expectancy.

1. Use fruit juice

A 2019 study by Harvard University analyzed data from more than 190,000 participants, including men and women.The researchers found that drinking half a cup of fruit juice per day may increase diabetes 16%, harmful to human health.

"Although fruit juice contains some nutrients, humans should consume moderately."- Frank Hu, one of the experienced professors.

2. Eat bacon, processed meat

Maybe many people do not know, eating only one piece of bacon every day can increase the risk of rectal cancer.

A 2019 study found that processed meat, such as sausages or bacon, risks more harmful to health than red meat.Accordingly, eating 25 grams of processed meat - equivalent to a slice of thin bacon can increase the risk of colon cancer (colon) to 20%.The colon cancer is one of the top three cancers in both men and women in South Africa.

According to the National Cancer Registration Book in 2019, 1 person is diagnosed with this disease for every 77 people.

3. Eat grapefruit at breakfast

According to experts, some common drugs can interact negative when used with grapefruit and grapefruit juice.For example, unprocessed grapefruit can cause drug interaction with felodipine.According to Harvard Health, grapefruit can also be dangerous when combined with some common drugs used to treat high cholesterol and depression.

Some other drugs when decomposed in the body need the activity of the enzyme CYP3A4 in the small intestine.If people drink grapefruit juice at this time can prevent the activity of this enzyme, which makes the drug instead of being metabolized in the small intestine will go to the bloody guy in a very large amount, saved in the body in time.Too long, increasing the side effects of the drug as well as not maximizing the effectiveness of treatment in the patient.

4. Skipping breakfast

Many surveys have been conducted and concluded that skipping breakfast may increase the risk of overweight or obesity.Scientific studies have also shown that healthy breakfast people are able to burn more calories than those who do not eat.

Those who skip breakfast tend to eat more at lunch and dinner.Not only that, the possibility of them choosing foods with little nutritional value such as cakes, fried foods, processed foods ... also higher.These foods are often high in calories and have a negative impact on the hormones that regulate appetite, blood sugar and insulin.

And yet, the habit of skipping breakfast can also lead to a higher risk of death from heart disease.A study has shown that people who never eat breakfast are 87% higher than that of cardiovascular disease than those who eat breakfast every day.

5. Drink black coffee

Drinking dark black coffee before breakfast can negatively affect the control of blood sugar - a risk factor for diabetes and heart disease.Accordingly, caffeine in coffee can affect how the body processes insulin and glucose, causing a sudden increase and a sudden decrease in blood sugar.

"Nearly half of us will wake up in the morning and drink coffee before doing anything else. The more we feel tired, the more they like to drink coffee.Controlling our blood sugar levels will be impaired when the first thing our body is exposed to coffee, especially after a sleepless night. "- Professor James Betts, co -author of the 2020 study of Bath University (UK) said.

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