Tuberculosis (TB) is a contagious disease caused by the bacterium Mycobacterium tuberculosis. It primarily attacks the lungs but can also spread to other organs. TB spreads through the air when an infected person coughs, sneezes, or talks, releasing tiny droplets containing the bacteria.
In 2020, TB was the second deadliest infectious disease after COVID-19, killing ~1.5 million people worldwide. Despite being preventable and curable, it remains a major public health challenge.
- 1 in 4 people worldwide carries latent TB (the inactive form).
- Only 5-10% of them will develop active TB in their lifetime.
- People with weakened immune systems (e.g., HIV/AIDS, diabetes) are at higher risk.
Known as the "feel-good" hormone, dopamine is part of the brain’s reward system. It’s linked to pleasure, motivation, learning, and memory.😊 Serotonin
This hormone plays a crucial role in regulating mood, sleep, appetite, digestion, learning, and memory. Higher serotonin levels are often associated with feelings of well-being and happiness.
Often called the "love hormone," oxytocin enhances feelings of affection, trust, and emotional bonding. It plays a vital role in relationships, childbirth, and breastfeeding.
The body's natural pain relievers, endorphins are released in response to stress and discomfort. They also boost mood and are triggered by activities like exercise, laughter, and eating your favorite food.
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