A witness can, at any time, refuse to answer a question by claiming protection under the Fifth Amendment. The person testifying is the defendant in a criminal case: This is an extension of the protection under the Fifth Amendment. Criminal defendants can never be forced to testify. The witness is married to someone involved in the case: Communication between two spouses is considered privileged by courts. This means that in most cases, you can't be forced to testify against your spouse in court.
High blood pressure is simply an increase in blood pressure, while hypertension is a disease. Slight increase in blood pressure is normal in daily life. E.g. when you exercise or walk fast or when you get angry or excited, your heart starts beating fast and this raises your blood pressure.
Although stress is not a confirmed risk factor for either high blood pressure or heart disease, and has not been proven to cause heart disease, scientists continue to study how stress relates to our health.onstriction of blood vessels and increase in heart rate does raise blood pressure, but only temporarily; when the stress reaction goes away, blood pressure returns to its pre-stress level.