When it comes to the healthiest way of consuming marijuana, vaporizers seem to be the top choice for doctors and patients alike. Smoking has long been the most common method of consuming marijuana. But, while not as harmful as cigarettes, smoking marijuana is known to be bad for your lungs. Vaporizers now offer an alternative for those looking to avoid the negative effects of smoking. Today, these devices come in all shapes and sizes, ranging from pocket-sized pens to large stationary units.