Rapid weight loss is a silent risk, cardiologist warns

Dar es Salaam. Many people see rapid weight loss as a victory in their health journey.

But did you know that shedding kilos too quickly can pose serious health risks, especially in the face of sudden illnesses?

This was the key message from a cardiologist, Dr Hery Mwandolela, who spoke during a free medical camp at Medinova Specialised Polyclinic on Saturday, December 14, 2024.

The event offered free consultations with cardiologists, blood pressure and blood sugar checks, and discounted heart-related investigations for incoming patients.

Dr Mwandolela cautioned that while losing weight is beneficial for preventing heart disease, it must be done gradually. “For manageable weights, aim to lose one and a half kilogrammes per month.”

“For individuals weighing 160 kilogrammes or more, surgery might be necessary, as exercising can be a challenge. However, for others, gradual weight loss of 12 to 15 kilogrammes over a year is a safer and more effective approach,” he added.

He further said that the body requires time to adapt to weight changes, noting that rapid weight loss can disrupt the body’s balance and increase vulnerability to complications.

“The body needs time to adjust. If you lose weight too fast, you risk destabilizing your systems,” Dr Mwandolela said.

Exercises: Proceed with caution

While exercise is widely praised for its health benefits, Dr Mwandolela warned that it can be dangerous for individuals with undiagnosed heart conditions.

“Exercise is generally beneficial, but it can be fatal for someone with hidden heart issues like high blood pressure, an enlarged heart, irregular heart rhythms,” he said.

He strongly recommended consulting a doctor before starting any fitness programme to ensure safety.

Lifestyle choices: The double-edged sword

The modern lifestyle, with its sugary treats and carb-heavy meals, is fuelling a surge in heart disease worldwide.

Poor diets, coupled with sedentary habits, are creating a perfect storm for poor heart health.

Dr Mwandolela urged the public to prioritise regular exercise and adopt a balanced diet.

“When you avoid exercise, harmful chemicals accumulate in the body, damaging vital organs like the brain, heart, and kidneys.

These chemicals are by-products of excess fat stored in the body. Over time, they wreak havoc on your blood vessels and overall health,” he explained.

Heart disease remains the leading cause of death globally, claiming approximately 20 million lives annually.

Alarmingly, 74 percent of these deaths occur in Sub-Saharan Africa, where lifestyle-related illnesses are on the rise.

Dr Mwandolela emphasized that small, consistent changes—such as eating balanced meals, exercising regularly, and prioritising rest—can make a significant difference.