Drinking two or more cups of coffee per day may double the risk of heart death

A study finds that drinking two or more cups of coffee per day may significantly increase the risk of death related to heart disease in some patients.

Japanese researchers found that people whose blood pressure was higher than 160/100 mmHg — considered very high — were more likely to die from a heart problem than people with lower levels.

Interestingly, the increased risk does not apply to people with high blood pressure and is not considered severe.

Scientists have long debated whether or not coffee is good for health. Previous studies have found that drinking multiple cups of coffee each day can reduce all-cause mortality, while others have linked brewing to cancer.

Researchers found that people with blood pressure over 100/180 mmHg were twice as likely to die from heart disease if they drank two cups of coffee each day (file photo)

Researchers found that people with blood pressure over 100/180 mmHg were twice as likely to die from heart disease if they drank two cups of coffee each day (file photo)

Caffeine, the most prominent ingredient in coffee, is known to increase a person’s blood pressure and heart rate for a temporary period of time.

It’s still not clear whether consistently drinking coffee can cause long-term increases in blood pressure, cholesterol, or other harmful effects to the heart.

There are also external factors at play in coffee consumption that can negate these types of studies, such as the amount of sugar or milk a person puts in their drink.

The research team cites previous studies where a person who survived a heart attack can prevent future complications with a cup each day.

They also point to previous research linking the morning brew with a lower risk of chronic diseases such as type 2 diabetes and cancers.

Our study aimed to determine whether the known protective effect of coffee also applies to individuals with different degrees of hypertension; “It also examined the effects of green tea on the same population,” Dr. Hiroyasu Iso, a researcher from the center, said in a statement.

To our knowledge, this is the first study to find an association between drinking two or more cups of coffee per day and cardiovascular mortality among people with severe hypertension.

The researchers, who published their findings Wednesday in the Journal of the American Heart Association, measured how drinking coffee and green tea each day affected heart health.

The study included nearly 20,000 participants, with more than 12,000 women and more than 6,570 men living in Japan from 1990 to 2009.

The data was collected from the Japanese Collaborative Cancer Risk Assessment Study, an annual study that quantifies cancer risk based on lifestyle choices.

As part of the annual survey, participants reported their eating habits, such as the amount of coffee they drank each day.

People who drink between 1.5 and 3.5 cups of coffee per day are less likely to die.

A large study found that drinking between one and a half and three and a half cups of coffee per day can add years to your life.

A Chinese research team monitored 171,000 people for seven years and found that those who drank coffee regularly were one-third less likely to die than those who did not.

They added that it did not matter whether the coffee was plain or sweetened with sugar.

Numerous studies have pointed to the potential health benefits of coffee, from reducing the risk of type 2 diabetes to decreasing the likelihood of depression.

Scientists suggest this may be because beans contain antioxidants, which help reduce internal inflammation and cell damage.

They will also report any health conditions they have been diagnosed with, including high blood pressure.

The researchers divided the sample population into five groups. The first group was the optimal group, with a healthy blood pressure of 130/85 mmHg.

The second group had a higher, but still healthy, blood pressure of 130/85 mm Hg.

Anyone with a blood pressure higher than 140/90 mmHg is considered to have high blood pressure.

People with blood pressure less than 160/100 mmHg were placed in category 1, and those with blood pressure less than category 1 but less than 180/110 mmHg were placed in category 2.

Any participant with a blood pressure greater than 110/180 mmHg was placed in category 2.

Coffee consumption had no association with cardiovascular death in every group other than category 3. Green tea had no association with cardiovascular death in any of the groups.

For the group with the highest blood pressure, the researchers found that drinking two cups of coffee each day increased the risk of dying from heart disease over the study period twice.

Interestingly, there was no significant increased risk for people who drank only one cup.

“These findings may support the assertion that people with very high blood pressure should avoid heavy coffee drinking,” Dr. Izzo continued.

“Because people with very high blood pressure are more susceptible to the effects of caffeine, the harmful effects of caffeine may outweigh its protective effects and may increase the risk of death.”

People who drank more coffee were more likely to be younger, smokers and drinkers, have higher cholesterol, lower blood pressure, and worse diets.

The Centers for Disease Control and Prevention (CDC) reports that 45 percent of adults in the United States have uncontrolled high blood pressure — at least 140/90 mm Hg or higher — which puts it in category 1 at least in this study.

There is no data on the number of Americans who have a blood pressure higher than 110/180 mm Hg.

High blood pressure can damage arteries and blood vessels throughout the body. Over time, this can lead to less oxygen-rich blood going to the heart.

This can lead to serious complications such as heart disease, stroke, heart attack, or heart failure.

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