What Is an Asthma Attack? An asthma attack is a sudden worsening of asthma symptoms caused by the tightening of muscles around your airways. This tightening is called a bronchospasm. During the asthma ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Asthma is a respiratory condition that’s characterized by inflammation of the airways. According to the Centers for Disease Control and Prevention (CDC), asthma is a common childhood condition that ...

There has been much recent discussion of the role of the microbiome and early-life exposure to bacterial antigens in the origins of asthma 4. I do not attempt to cover these important issues in this ...

Though they’re separate conditions, allergic rhinitis and asthma are both atopic diseases. Allergies can trigger asthma, and having asthma can increase your risk for allergic rhinitis. Allergic ...