Having children late in life runs a higher risk of Down's syndrome.

Blood tests can also be used to estimate the risk of Down's syndrome.

The measurement can help to estimate the risk of Down's syndrome.

Young people and children should not take aspirin because of the risk of Reye's syndrome.

In these cases, taking aspirin increases the risk of Reye's syndrome, a rare but serious illness.

The risk of serotonin syndrome may be more likely when you start or increase the dose of these medications.

Do not give aspirin to anyone younger than 20 unless your doctor tells you to because of the risk of Reye's syndrome.

Aspirin may be used in adults but is not recommended in children due to the risk of Reye's syndrome.

Products that contain aspirin should never be given to a child unless directed by a pediatrician, due to the risk of Reye's syndrome.

In children younger than 20 years of age, aspirin may increase the risk of Reye's syndrome, a rare but often fatal condition.