This technique can evoke intense physical and emotional changes. Therefore, there is a list of specific criteria that exists to advise against participation. For anyone considering trying HB, it is a good idea to discuss possible risks with your healthcare provider before embarking on this alternative practice, especially if you have any of the following conditions:4

• Cardiovascular disease
• Heart attacks, high blood pressure, and angina
• Glaucoma or retinal detachment
• Recent injury or surgery
• Any condition that requires you to take medication
• Panic attacks or psychosis
• Seizures
• Severe mental illness
• Aneurysms (or family history)
• You are pregnant or are breastfeeding