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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
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Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
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Tetrahydrocannabinol (THC) is a phytocannabinoid that primarily interacts with the CB1 receptor, a type of G protein-coupled receptor (GPCR) predominantly in and around the chemoreceptor trigger zone (CTZ) and emetic center. THC also blocks the serotonin receptor activity in the dorsal vagal complex (DVC) by inhibiting serotonin release. THC exerts its anti-emetic effects through these interactions, which are beneficial for patients undergoing chemotherapy.
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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Psychiatric department of general hospital and patients with cancer.

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Substance abuse and cancer.

G I Moussas1, A G Papadopoulou2

  • 1Department of Psychiatry, "Sotiria" General Hospital for Chest Diseases, Athens.

Psychiatrike = Psychiatriki
|October 27, 2017
PubMed
Summary

Substance abuse negatively impacts cancer patients

Area of Science:

  • Oncology and Addiction Medicine
  • Psychiatric Oncology
  • Cancer Pathogenesis and Toxicology

Background:

  • Substance abuse presents significant psychological, psychiatric, and socioeconomic challenges.
  • Cancer patients frequently experience mental health issues, including depression and anxiety.
  • The interplay between substance abuse and cancer development, including immune system dysregulation, is a growing area of research.

Purpose of the Study:

  • To systematically review the role of substance abuse in cancer pathogenesis.
  • To examine the impact of specific substances (opioids, cannabis, alcohol, tobacco) on cancer development and progression.
  • To highlight the psychiatric challenges and treatment implications for substance-abusing cancer patients.

Main Methods:

  • Systematic review of existing research data on substance abuse and cancer.

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  • Analysis of studies investigating the mutagenic and oncogenic effects of various substances.
  • Examination of epidemiological data linking substance consumption to cancer risk and mortality.

    • Main Results:

    • Opioids are identified as potential oncogenic factors, with conflicting evidence on their role in tumor growth.
    • Cannabis use may be associated with cancer, though its role is complex and influenced by other substance use.
    • Alcohol and tobacco are confirmed carcinogens, with dose-dependent increases in cancer risk and mortality.
    • Substance abuse in cancer patients complicates pain management, reduces treatment adherence, and worsens prognosis.

    Conclusions:

    • Substance abuse significantly compromises cancer patient outcomes and quality of life.
    • Certain cannabinoids show potential anticancer activity, warranting further therapeutic investigation.
    • Integrated psychiatric interventions are crucial for managing substance abuse in oncology patients.