According to the Hindu scriptures, Rudraksha beads are the holiest items embodied with mystical powers. These scripture states that Rudraksha is utilized to bring spiritual and material well-being to the wearer as well as for medicinal purposes since ancient time.
Most of the powers of Rudraksha are associated with the number of mukhi or faces the beads have. Yogis and Monks of Nepal, India and many other countries have worn Rudraksha beads for thousands of years to cultivate physical, mental and health prowess. According to old scriptures, 'He who wears Rudraksha round the hands, arms and over the head cannot be killed by any living being. He shall roam the world in the form of Rudra. He shall be respected by the Gods and Assures always as well as be honored like Shiva. Even the devotees of Vishnu and other deities shall unhesitatingly wear the Rudraksha for gaining spiritual enlightenment.
The natural Electromagnetic Properties of the Holy Rudraksha Beads have been found to improve concentration, focus and mental stamina. When worn on Malas around the heart area, it was found that they reduce and control stress levels, blood pressure and hypertension resulting in the feeling of tranquility and calmness. Rudraksha Beads were found to be ideal for focused Meditation and other Spiritual Practices. Though the powers of the Rudraksha beads have been known as a phenomenon for thousands of years in Vedic Knowledge, it is only since the late 1960s that their values and merits have been documented in modern science through research conducted by a group of scientists lead by Dr Subas Rai PHD Institute of Technology University in Banaras India.
Research has proven that Rudraksha have powerful Electromagnetic, Paramagnetic and Inductive Properties that vary from the different Mukhis of Rudraksha beads. It creates specific electric impulses that are sent to the brain through the process of reflex skin response stimulating certain brain centers that transfer information in the Neurophysiology, which is the major way of impact of Rudraksha in human body.
Wearing of Rudraksha creates balance activity of neurotransmitters, dopamine and serotonin levels that is evidenced by the positive transformation in the personality, mindset, outlook, charisma, and confidence of the wearer. It was also proven that wearing of Rudraksha beads controlls the heart beat and had a positive effect on the Blood Pressure, Stress, Anxiety, Depression, Palpitation, and lack of concentration etc.

Brief action after wearing Rudraksha beads or malas:
-- Medicinally --
Impact on neurophysiology, psychosomatic structure and heart beat by electromagnetic current emitting from Rudraksha to maintain Health.
--Spiritually---
Blessing from the different Gods and Goddess improves luck, prosperity, protection against accidents and premature death.
Changing negative energies to positive in the planetary position in one’s Horoscope.
Remove bad karma from the past lives
Due to above effects one can get materially: 
Wealth, prosperity, success and power.

In addition to this, Rudraksha:
- Regulate blood pressure, control of stress, anxiety, depression, lack of concentration.
- Impotence, sterility, brain disorder such as schizophrenia, mood disorder, etc.
- Improve knowledge, increases intelligence.
- Develop dispassion, detachment and spirit of Renunciation.
- Protect from the Negative Astrological Influences.

Rudraksha is believed to improve general health, remove misfortune, give purity, peace and stability of mind, health, happiness, enhance spiritual fulfillment, prosperity, creativity, intuition, material fulfillment, family harmony and fearless life. Another benefit of the Rudraksha is that after wearing them in combinations, one doesn't have to worry about the worse effect of nine planets anymore. These rudraksha are used to break any (karmic) behavioral patterns, and makes one positive as much as one stops making mistakes and misjudgment