Human beings are different from each other in various ways, including their manner of eating, contact with the environment, and DNA. These dissimilarities play an important role in individuals’ health and diseases (Collins, 2010). For instance, the natural differences such as genes influence each individual’s risk of acquiring certain diseases, and the reaction of their bodies to diseases. The personal variations affect individuals’ vulnerability to diseases or reaction to things within their environment. Usually a general practitioner gives a similar drug to treat a disease within a group of people with that same disease. However, it is evident that within the group, not all individuals recover and all of them respond to the medicine in different ways (Rudback, & Hertler, 2011). This means that there some things are different in each individual, making them to react differently.

The concept of personalized medicine has remained around since the beginning of practicing medicine. For instance, Hippocrates reported on the uniqueness of diseases and the essentiality of administering specific drugs to specific patients. This has been achieved through understanding of the role played by human genetic variation in diagnosing vulnerability of diseases that affect humans; derivative reaction to pharmacological proxies and the presence of diverse phenotypes (Rudback, & Hertler, 2011). All these have greatly contributed to the concept of personalized medicine. Personalized medicine is established on the concept of using the genetic profile of an individual in order to come up with the best therapeutic option by expediting extrapolations as to whether that individual does benefit from a specific medicine or if the individual suffers serious side effects from using a certain drug or therapy (Willard, & Ginsburg, 2010).

Modern Genetic Technology and Personalized Medicine

In traditional medicine, the social circumstances of every individual, their behaviors, their family history, and the individual’s environment where they live are considered in order to formulate an individualized medical care. On the other hand, with the creation of personalized medicine, an in depth analysis of intrinsic variations of genetically dissimilar individuals is conducted, and the manner in which it affects the healthcare of the individual is determined (Willard, & Ginsburg, 2010). This way, with advancement of personalized medicine, the personal details of an individual’s genetic, metabolic, and their proteinaceous profiles in future would be used to customize individual medical care. The personalized medicine model can be useful in developing companion nosology, which uses molecular assessment to determine the genetic levels of individuals, mutations, and the proteins to be used in providing specified therapy befitting the health condition of an individual patient.

Reasons for personalized medicine

For a long time now, advocates of personalized medicine have emphasized on the potential of the concept to achieve a lot in saving human lives. Even though critiques do exist, there are however comparatively many advantages of adopting the practice of individual personalized medicine. For instance, adopting and implementing the concept of personalized medicine will help caregivers and the physicians at large to detect all kinds of diseases at a much earlier stage of infection. This will be an advantage since when diseases are diagnosed at an early stage, they are easier to treat effectively. The concept of personalized medicine will go a long way into enabling the assortment of the best medical therapy and in the reduction of the traditional trial-and-error prescriptions (Jain, 1998). This concept will also reduce the adversarial drug reactions that are bound to occur in some patients.

There will also be a substantial increase in patient compliance to the prescribed therapy. For instance, with medically accurate diagnostic tools, medical practitioners will be able to measure numerous genetic malfunctions in cancer patients, thus, they will easily formulate specified therapeutic treatment to save and optimize the quality of life of a patient. The will also be a great improvement in selecting targets for discovery of different drugs; reduction of time wastage experimenting with different therapies hence the cost, and failure rate of clinical tests. An additional advantage of personalized medicine is that drugs review, for medicines that failed clinical tests or which were removed from the market is made easier, and withdrawal of the already marketed drugs is avoided (Jain, 1998). Personalized medicine will be a great tool to contribute to emphasizing the practice of medicine from being reaction-based to being prevention-based. In addition, the concept will contribute greatly to the reduction of the overall healthcare cost.


Presently, personalized medicine is on the verge of transforming medical care in the few coming decades. This concept employs new prognostic and diagnostic tools that increase the doctors’ capability to forecast the results of drug medical care. Prompt forewarnings on diseases can encourage healthy ways of life and change the manner of discovering and using treatments. On the other hand, personalized medicine deals with many ethical and public concerns such as privacy of medical records and ethics in clinical trials. Diagnosing unique diseases that have no cure, raises the question as to whether it is beneficial to inform a patient in such a case. Altogether, personalized medicine signifies an opening for medical investors to involve themselves in the imminent revolution of personalized medicine.

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