➤Strengthens and improves the efficiency of the immune system.

➤ It is used to slow down the metabolism of certain malignant tumors (carcinoma, sarcoma).

➤ Reduces the threshold of pain sensation;

➤ It actively interacts with sulfide hydride (SH-) groups of proteins.

➤ Leads to acute renal and hepatic failure.

➤ Increases the likelihood of developing carcinomas and leads to osteoporosis.

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➤ It is used in the treatment of dermatoses, gastrointestinal disorders, and leads to increased immune activity.

➤ Astringent, cauterizing and antiseptic effect.

➤ For prevention of Wilson's disease.

➤ Ge is found in ginseng root, tea leaves, aloe, and garlic.

➤ Causes changes in the normal functioning of the gastrointestinal tract (ulcers, diarrhea, gastritis).

➤ Leads to general weakness, cephalgia.

➤ Ge is as brittle as glass. It has five allotropic states.

➤ It is used as a semiconductor for the manufacture of diodes and transistors.

➤Ge with a purity of 10-7% is used to detect infrared radiation.

➤ Organometallic compounds such as Ge(C₂H₅)₄ are non-toxic.