17-08-2026

Gynecological: 6 warning signs of gynecological conditions

ENT and Head and Neck Surgery Department, Hong Ngoc General Hospital: A trusted destination for ENT care and surgery among international patients in Hanoi

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The Eye Center at Hong Ngoc General Hospital: Comprehensive ophthalmic care for international patients

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Trusted neurological care for international patients in Hanoi

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Trusted cardiovascular care in Hanoi for international patients at Hong Ngoc General Hospital

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Pediatrics Department at Hong Ngoc General Hospital: a trusted choice for international pediatric patients in Hanoi

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04-06-2026
Cardiology

Lightheadedness in the sun: doctors warn of signs that require early medical evaluation.

Lightheadedness when going out in the sun is fairly common during summer, especially among people who stay outdoors for long periods, drink too little water, stand under the sun for too long, or have underlying conditions such as blood pressure disorders, cardiovascular disease, anemia, or diabetes. This symptom may be transient as the body has not yet adapted to high temperatures, but it may also be a warning sign of a serious condition.
03-06-2026

7 warning signs of kidney stones doctors say should not be ignored

Kidney stones can remain silent for a long time and may only cause symptoms when the stone begins to move or obstruct the flow of urine. According to urologic surgeons at Hong Ngoc General Hospital, many patients experience early warning signs but may easily mistake them for common health problems. Below are seven common symptoms that may help identify kidney stones and indicate when medical evaluation is needed.
03-06-2026
Cardiology

Dangerous hours to avoid being outdoors in hot weather: many people underestimate the risk.

Hot weather not only causes a feeling of heat and discomfort, but may also increase health risks in people with underlying medical conditions. One common mistake is continuing to go outdoors, work, or exercise during peak heat hours without appropriate protective measures.
03-06-2026

Why does your throat hurt after waking up? Seven surprising causes many people overlook

A sore throat after waking up is a fairly common condition, particularly among people who sleep in air-conditioned rooms, frequently have nasal congestion, snore, breathe through the mouth, or have gastroesophageal reflux disease. Not every case of morning sore throat is caused by an infectious pharyngitis. In many cases, the cause is related to the sleep environment, breathing habits during sleep, or prolonged overnight irritation of the throat mucosa.
01-06-2026

Summer health protection checklist for hot days

Summer not only causes heat discomfort and fatigue but also increases the risk of dehydration, electrolyte imbalance, heat exhaustion, heatstroke, low blood pressure, cardiovascular complications, respiratory illnesses, and food poisoning. These risks are higher among older adults, young children, pregnant women, outdoor workers, and people with underlying medical conditions.
30-05-2026
Cardiology

Is shortness of breath in hot weather dangerous? Warning signs that should not be overlooked.

Shortness of breath in hot weather may occur when the body has to work harder to regulate its core temperature, especially after sun exposure, outdoor physical activity, or staying in a hot, poorly ventilated environment. In some people, this is only a temporary response and improves after resting in a cool place.
30-05-2026

Can staying up late contribute to obesity? Why late bedtimes may increase the risk of weight gain

Staying up late is not the sole cause of obesity, but it may increase the risk of weight gain when accompanied by insufficient sleep, late-night eating, physical inactivity, and circadian rhythm disruption. Prolonged late bedtimes may affect hormones that regulate hunger and satiety, glucose metabolism, daytime energy levels, and eating behaviors.
29-05-2026

What BMI is considered overweight or obese? Standard BMI calculation

BMI, or body mass index, is calculated by dividing body weight by the square of height. According to the WHO, a BMI of 25 or higher is considered overweight, while a BMI of 30 or higher is classified as obesity in adults. However, Asian populations may have an increased risk of metabolic diseases starting at a BMI of ≥23.
29-05-2026

Preventing heat-related illness in older adults: risks that should not be overlooked.

Older adults are particularly vulnerable to hot weather because the body’s ability to regulate temperature, thirst sensation, cardiovascular function, and kidney function all decline with age. During prolonged heat waves, older adults are more likely to experience dehydration, electrolyte imbalance, low blood pressure, a rapid heartbeat, heat exhaustion, heatstroke, or cardiovascular complications if they are not cared for properly.