More people are dying from heart failure, doctors warn: give up these 4 habits now

For those who currently use tobacco products, seeking support to stop completely is one of the most impactful health decisions that can be made. Alcohol, for those who choose to consume it, is best limited to moderate levels — general guidance suggests no more than one standard drink per day for women and two for men. Anyone finding it difficult to reduce their consumption independently is encouraged to seek professional support, as this is a well-recognized challenge that responds well to the right kind of help.

Habit Four: Chronic Stress and Inadequate Sleep

How does stress affect sleep quality? — Calm Blog

Of all four habits discussed here, this final one may be the most underestimated in terms of its impact on heart health. Chronic stress and poor sleep are so deeply normalized in modern society that many people simply accept them as unavoidable features of adult life. But the physiological toll they take on the cardiovascular system is anything but trivial.

When the body experiences ongoing stress, it produces elevated levels of cortisol, a hormone that in short bursts serves an important protective function, but when chronically elevated, begins to cause real damage. Persistently high cortisol levels raise blood pressure, promote inflammation throughout the body, disrupt healthy metabolism, and keep the cardiovascular system in a state of heightened alertness that it was never meant to sustain indefinitely. Over time, this creates exactly the kind of cumulative strain that weakens the heart.

Sleep deprivation compounds these effects significantly. During sleep, the body undergoes essential repair and restoration processes that affect virtually every organ system, including the heart. When sleep is consistently insufficient — most adults need between seven and nine hours per night — these repair processes are disrupted. The risk of obesity, type 2 diabetes, high blood pressure, and ultimately heart failure all increase meaningfully with chronic sleep deprivation.

Building stress management into daily life does not require dramatic changes. Simple practices such as deep breathing exercises, brief periods of mindfulness or meditation, time spent in nature, or any activity that brings genuine relaxation can make a real difference when done consistently. Creating a calm, screen-free wind-down routine before bedtime and maintaining a consistent sleep schedule are among the most effective steps anyone can take to protect both their sleep quality and their long-term heart health.

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