Key points from article :
Nut intake may be linked to reduced risk of cardiovascular disease, cancer and all-cause mortality.
May reduce mortality from respiratory diseases, diabetes and infections.
Nuts are high in good fats and can be eaten in moderation in unsalted form.
Nuts alone won't reduce the risk of cardiovascular disease or cancers, if lifestyle is unhealthy.
This systematic review of 20 previous studies was published in BMC Medicine.
