Is a plant-based diet good for your heart? More research needs to be done, but early studies suggest it may have a number of benefits.
If your diet is rich in fruits, vegetables, nuts, whole grains, and meat substitutes such as soy, you may be less likely to have certain risks for heart disease, such as:
High blood levels of total cholesterol
High levels of LDL "bad" cholesterol
High levels of triglycerides
High blood pressure
Overweight and obesity
one time is usually nothing to worry about. But it is a good idea to see your
doctor, because fainting could have a serious cause.
What causes fainting?
Fainting is caused by a drop
in blood flow to the brain. After you lose consciousness and fall or lie down,
more blood can flow to your brain so you wake up again.
common causes of fainting are not dangerous. In these cases, you faint because
The vasovagal reflex, which causes the heart
rate to slow and the blood vessels to widen, or dilate. As a result, blood
pools in the lower body and less blood goes to the brain. This reflex can be
triggered by many things, including stress, pain, fear, coughing, holding your
breath, and urinating.
Fainting caused by the vasovagal reflex is often easy to
predict. It happens to some people every time they have to get a shot or they
see blood. Some people know they are going to faint because they have symptoms
beforehand, such as feeling weak, nauseated, hot, or dizzy. After they wake up,
they may feel confused, dizzy, or ill for a while.
Some causes of
fainting can be serious. These include:
You feel like your heart is
racing or beating unevenly (palpitations).
along with numbness or tingling on one side of the face or body.
What exams and tests might you need?
To find the
cause of fainting, a doctor will do a physical exam and ask questions about the
fainting episode. You can help your doctor by being prepared to describe what
happened before you fainted, how long you were "out," and how you felt when you