Cardiology

Dangers of adolescent energy drink consumption for the heart

The rapid rise in popularity of energy drinks (EDs), particularly among adolescents (aged 10-19 years) and young adults, has serious implications for cardiac health. In an article published in the Canadian Journal of Cardiology, ...

Health

People with heart rhythm disorders warned over cannabis use

A study of 2.4 million hospitalized cannabis users has found that those with an arrhythmia were 4.5 times more likely to die while in hospital than those without. The research is presented at EHRA 2021, an online scientific ...

Medical research

Molecule movements that make us think

Every thought, every movement, every heartbeat is controlled by lightning-quick electrical impulses in the brain, the muscles, and the heart. But too much electrical excitability in the membranes of the cells can cause things ...

Medical research

The ryanodine receptor—calcium channel in muscle cells

Whenever muscles contract, so-called ryanodine receptors come into play. Calcium ions, which are ultimately responsible for the contraction of muscle cells, are released from storage organs and flow through these ion channels. ...

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