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High blood pressure, medically known as Hypertension, is a common but serious condition where blood flows through the arteries with consistently higher-than-normal force. Over time, this increased pressure can damage blood vessels and strain the heart, raising the risk of heart disease, stroke, and kidney problems.

Because it usually develops without noticeable symptoms, hypertension is often called a “silent killer.”

High blood pressure (hypertension) is a medical condition in which the force of blood pushing against the walls of your arteries remains consistently too high.

Blood pressure is measured using two values:

• Systolic pressure (top number): The pressure when the heart contracts and pumps blood
• Diastolic pressure (bottom number): The pressure when the heart relaxes between beats

A normal blood pressure reading is usually around 120/80 mmHg. In general, hypertension is diagnosed when readings consistently reach 130/80 mmHg or higher, depending on clinical guidelines.

There are two main types of hypertension:

• Primary hypertension: Develops gradually due to age, genetics, and lifestyle factors, and has no single identifiable cause.
• Secondary hypertension: Occurs due to an underlying medical condition, certain medications, or substances.

In simple terms, hypertension means your heart is working harder than normal to circulate blood throughout your body, which can lead to long-term damage if left untreated.

Most people with high blood pressure do not notice any symptoms, even when levels are dangerously high. However, when blood pressure becomes severely elevated, symptoms may appear, including:

• Severe headaches
• Chest pain or pressure
• Dizziness or confusion
• Heart palpitations
• Vision changes such as blurred vision or eye pain
• Shortness of breath
• Swelling in the body (edema)
• Reduced urination

In extreme cases, very high blood pressure (known as a hypertensive emergency) can cause signs of stroke such as slurred speech, facial drooping, or sudden weakness. This requires immediate medical attention.

Most cases of hypertension do not have a single clear cause. Instead, it develops from a combination of risk factors, including:

• Age (risk increases after 55)
• Family history of hypertension
• Smoking or tobacco use
• Being overweight or obese
• High-sodium diet
• Lack of physical activity
• Excessive alcohol intake
• Chronic stress

In some cases, high blood pressure is secondary to medical conditions like kidney disease, sleep apnea, or hormonal disorders, or may be triggered by certain medications.

Untreated hypertension can silently damage the heart, brain, kidneys, and arteries over time. This increases the risk of serious conditions such as heart attack, stroke, kidney failure, and vision loss.

Because symptoms are often absent, regular blood pressure checks are the only reliable way to detect it early.

High blood pressure is common but highly manageable. Understanding its symptoms and causes—and monitoring it regularly—can significantly reduce long-term health risks. Early awareness and lifestyle changes play a key role in preventing complications from hypertension.