Risk Factors عوامل الخطورة 
A risk factor is something that increases your likelihood of getting a disease or condition.
A risk factor is a variable associated with an increased risk of disease or infection. Sometimes, determinant is also used, being a variable associated with either increased or decreased risk.
risk factors for breast cancer, risk factors can be described in terms of, for example:
• Relative risk, such as "A woman is more than 100 times more likely to develop breast cancer in her 60s than in her 20s.
• Fraction of incidences occurring in the group having the property of or being exposed to the risk factor, such as "99% of breast cancer cases are diagnosed in women
• Increase in incidence in the exposed group, such as "each daily alcoholic beverage increases the incidence of breast cancer by 11 cases per 1000 women
Risk Factors for Obesity
Risk factors for obesity include:
Poor Diet
If you eat high-calorie, low-nutrient foods, you are likely to eat more calories than you burn each day, thus increasing your risk of becoming obese. Another risk factor is eating after you are full and eating quickly.
If you are pregnant, your diet may also affect your child's risk of obesity. For example, skipping breakfast and smoking may increase your child's risk of becoming obese.
Children may also be at risk for becoming obese if they do not eat their regular meals with their family.
Lack of Sleep
Not getting enough sleep may put children at risk for obesity. How much sleep in enough for kids? Here are general recommendations:
• Aged 5 years or younger—11 hours or more
• 5-10 years—10 hours or more
• 10 years or older—9 hours or more
Lack of Physical Activity
If you don’t get enough physical activity (exercise), you are likely to burn fewer calories than you eat each day, thus increasing your risk of becoming obese. For children, too little exercise and spending too much time watching TV or playing on the computer can increase their risk of gaining weight and becoming obese.
Working Varied Shifts
Working shifts at different times of the day and night increases your risk of becoming obese.
Medical Conditions and Medications
Certain medications, rare hereditary diseases, and hormonal imbalances (such as hypothyroid and Cushing’s disease) increase your risk of obesity.
Smoking
If you are a smoker and want to quit , you may worry that quitting will increase your weight. Keep in mind that you can overcome this weight gain by reducing how many calories you consume and by exercising more. Overall, the health benefits of quitting smoking far exceed the risk of gaining weight.
If you are pregnant, smoking may increase your child's risk of becoming obese.
Age
The incidence of obesity more than doubles between the ages of 20 and 55. However, this may be related to a decrease in activity levels. A recent study found that within 30 years, over half of a large group of normal-weight men and women became overweight.
Genetic Factors
Rare hereditary diseases may increase the risk of obesity.
In addition, obesity may run in families. For example, if parents are overweight, their child may be at a higher risk of being overweight, as well. Both genetic and lifestyle factors could play a role in the child's excess weight.
Race
There is a higher incidence of obesity among certain races or ethnic groups. In the US, obesity affects 66% of middle-aged black women and 68% of Mexican American women, compared with 45% of white women. For children, being African American, Hispanic, or Native American increases their risk of obesity.
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A risk factor is something that increases your likelihood of getting a disease or condition.
A risk factor is a variable associated with an increased risk of disease or infection. Sometimes, determinant is also used, being a variable associated with either increased or decreased risk.
risk factors for breast cancer, risk factors can be described in terms of, for example:
• Relative risk, such as "A woman is more than 100 times more likely to develop breast cancer in her 60s than in her 20s.
• Fraction of incidences occurring in the group having the property of or being exposed to the risk factor, such as "99% of breast cancer cases are diagnosed in women
• Increase in incidence in the exposed group, such as "each daily alcoholic beverage increases the incidence of breast cancer by 11 cases per 1000 women
Risk Factors for Obesity
Risk factors for obesity include:
Poor Diet
If you eat high-calorie, low-nutrient foods, you are likely to eat more calories than you burn each day, thus increasing your risk of becoming obese. Another risk factor is eating after you are full and eating quickly.
If you are pregnant, your diet may also affect your child's risk of obesity. For example, skipping breakfast and smoking may increase your child's risk of becoming obese.
Children may also be at risk for becoming obese if they do not eat their regular meals with their family.
Lack of Sleep
Not getting enough sleep may put children at risk for obesity. How much sleep in enough for kids? Here are general recommendations:
• Aged 5 years or younger—11 hours or more
• 5-10 years—10 hours or more
• 10 years or older—9 hours or more
Lack of Physical Activity
If you don’t get enough physical activity (exercise), you are likely to burn fewer calories than you eat each day, thus increasing your risk of becoming obese. For children, too little exercise and spending too much time watching TV or playing on the computer can increase their risk of gaining weight and becoming obese.
Working Varied Shifts
Working shifts at different times of the day and night increases your risk of becoming obese.
Medical Conditions and Medications
Certain medications, rare hereditary diseases, and hormonal imbalances (such as hypothyroid and Cushing’s disease) increase your risk of obesity.
Smoking
If you are a smoker and want to quit , you may worry that quitting will increase your weight. Keep in mind that you can overcome this weight gain by reducing how many calories you consume and by exercising more. Overall, the health benefits of quitting smoking far exceed the risk of gaining weight.
If you are pregnant, smoking may increase your child's risk of becoming obese.
Age
The incidence of obesity more than doubles between the ages of 20 and 55. However, this may be related to a decrease in activity levels. A recent study found that within 30 years, over half of a large group of normal-weight men and women became overweight.
Genetic Factors
Rare hereditary diseases may increase the risk of obesity.
In addition, obesity may run in families. For example, if parents are overweight, their child may be at a higher risk of being overweight, as well. Both genetic and lifestyle factors could play a role in the child's excess weight.
Race
There is a higher incidence of obesity among certain races or ethnic groups. In the US, obesity affects 66% of middle-aged black women and 68% of Mexican American women, compared with 45% of white women. For children, being African American, Hispanic, or Native American increases their risk of obesity.
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