Herbs it the best when looking at taking medication that will with hookup with you on a later effect doings.
Frequent intake of chemical drugs are not the best at all and they can cause more severe damage if over used or abused. Herbs should be a cornerstone to making our immune system struggle and away from the affliction of minor illnesses. The use of herbs thoroughly need to be controlled to avoid getting over dose of the solution that is needed to kill a bacteria or fungi.
I do not think herbs are automatically safer just because they are natural. Being natural doesnt mean they can't cause side effect or harm you if they are used at the wrong dose.
Besides, modern medicines have to go research and tested to find out their efficiency, right dose and safety before they are introduced into the market.
Herbal and conventional medicines each have their pros and cons. It is not really true that herbs are always better than modern medicine.