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Home »  Living Healthy »  Here's How A Diet High In Fat Affects Young Men And Women: Foods Which Have The Highest Amount Of Fats

Here's How A Diet High In Fat Affects Young Men And Women: Foods Which Have The Highest Amount Of Fats

On the high-fat diet both sexes actually ate less, which meant their caloric intake did not really increase, but the females ate more of the high-fat fare.

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High-fat diets appear bad for blood pressure in both younger males and females.

HIGHLIGHTS

  1. High-fat diets appear bad for blood pressure
  2. High-fat diet also increased inflammation-promoting T cells
  3. Females normally have a higher percentage of Tregs

According to a study, high-fat diets appear bad for blood pressure in both younger males and females. The findings have been published in the American Journal of Physiology - Heart and Circulatory Physiology. Speaking about the study, Dr. Jennifer C. Sullivan of Augusta University said, "You have a lot of people consuming high-fat diets and we don't know enough about what effect it's having on females."

The study looked simultaneously at young males and female Dahl salt-sensitive rats, bred to become hypertensive in response to a high-salt diet. More recently, male Dahl rats have been shown to also have significant blood pressure response to a high-fat diet.

"Since women are more likely to be obese than men and the association between increases in body weight and blood pressure is stronger in women, we wanted to see if the same response occurs in the female as well," said Sullivan, the study's corresponding author.


They found the usual cardiovascular protection afforded to younger females appeared lost in the face of high fat consumption. While the young male rats, like male humans, started out with higher blood pressure than their female counterparts, both sexes rapidly experienced a comparable degree of blood pressure increase.

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According to a study, high-fat diets appear bad for blood pressure in both younger males and females.
Photo Credit: iStock

"You put them on high salt, and the males have a bigger increase in pressure; you put them on fat, and males and females have the same increase in pressure," Sullivan said.

In both sexes, the high-fat diet also increased inflammation-promoting T cells and decreased the number of inflammation-dampening regulatory T cells, or Tregs, in the aorta, the biggest blood vessel in the body which they studied as an example of what was happening inside blood vessels.

But that's where some sex differences surfaced. Females normally have a higher percentage of Tregs, which help them decrease blood pressure, and while both males and females experienced the decrease, the females maintained that higher percentage regardless of what they consumed. Other studies have shown that in response to things that could increase blood pressure, like high-salt or high-fat intake, females actually increase the percentage of Tregs and maintain a good pressure.

In the kidneys, which play a major role in regulating blood pressure, they again found increases in inflammation-promoting T cells in both sexes but a greater increase in males.

Sullivan reiterated that the changes - in males and females alike - were independent of a significant weight gain and occurred in just four weeks.

"To me it really highlights the importance of understanding what you are eating," said Sullivan. "I think we may be underestimating how bad a consistently high-fat diet is for us."

On the high-fat diet both sexes actually ate less, which meant their caloric intake did not really increase, but the females ate more of the high-fat fare. Still, males started out weighing more and continued to weigh more throughout the four weeks, although weight increases compared to rats on a normal diet were minimal.

The high-fat diet actually decreased blood levels of triglycerides, a type of fat considered a risk factor for cardiovascular disease, in the males but increased it in females. Cholesterol and blood glucose levels were not really affected in either sex.

Foods which have the highest amount of fats:

  • Fatty cuts of beef, pork and lamb
  • Candies
  • White bread
  • Bakery stuff
  • Sweetened beverages
  • Processed meat
  • Butter
  • Poultry
  • Cheese

(With inputs from ANI)

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