Consuming anything too much will cause health issues not only for nuts, according to university hospitals "More importantly, eating too many nuts can actually lead to food toxicity which can range from mild symptoms to severe illness. In addition, many nut varieties contain the amino acid L-Arginine, which can cause mouth ulcers if you over-indulge."
but we should also keep in mind that nuts itself is a health food and eat them regularly would be good for health.