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Each record is a registered study, a systematic-review registration or a publication. A registered or ongoing study is not a finding, and animal or cell research does not show an effect in people. The same study can appear under more than one subject, so the number of records is not a count of independent studies. You can also search an exact DOI, PubMed ID, NCT or CRD number. How to read these records.

9 study records (showing up to 30 per record type)

• Systematic review registration CRD42023486296 Registered protocol, no results here: Review Ongoing
  A systematic review and meta-analysis of oral complications in habitual khat chewing peoples.
  Condition or outcome area: Long-term habitual khat chewing and it complications in the hard and soft tissue of the oral cavity.
  2023-12-23 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42023472165 Registered protocol, no results here: Review Ongoing
  Physiological and societal effects of Khat (Catha edulis) consumption: an umbrella review of systematic reviews and meta-analysis
  Condition or outcome area: physiological and societal effects of Khat (Catha edulis) consumption
  2023-10-24 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42023468999 Registered protocol, no results here: Review Ongoing
  The effects of khat (Catha edulis) use on the genitourinary system: A systematic review and meta-analysis
  Condition or outcome area: Khat, an evergreen plant celebrated for its potent psychostimulant properties, finds its main mode of consumption through the habitual chewing of its fresh green leaves and buds, often extending over multiple daily sessions The complex array of effects on both the human body and society as a whole underscores the importance of comprehending and addressing substance abuse across its various forms. The objective of the current study is to conduct a meta-analysis of the existing literature concerni
  2023-10-18 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42022287541 Registered protocol, no results here: Review Ongoing
  The effect of khat use during pregnancy on maternal and perinatal outcomes: Meta-analysis
  Condition or outcome area: Khat use during pregnancy are associated with poor pregnancy and perinatal outcomes. Chewing khat can lead to obstetric complications for pregnant women such as pregnancy induced hypertension, miscarriage, preterm labour, abruption of placenta, postpartum haemorrhage and mental illness. Existing studies reveal that low birth weight, decreased maternal milk production, decreased foetal growth, stillbirth, and prematurity is reported in women who uses khat. However, the available studies are scant
  2022-05-06 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42020224510 Registered protocol, no results here: Review Completed published
  Exploring the association between khat use and psychiatric symptoms: a systematic review
  Condition or outcome area: Psychiatric symptoms including depression, anxiety, mania and psychosis.
  2020-12-16 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42021190837 Registered protocol, no results here: Review Ongoing
  Prevalence and Associated Factors of Khat Chewing Among Pregnant Women: A Systematic Review and Meta-analysis
  Condition or outcome area: Khat (Catha edulis) is an evergreen plant, broadly cultivated and consumed in the Horn of Africa and the Arabian Peninsula. It contains Cathinone, which is a central nervous system stimulant and causes various adverse outcomes for pregnant women and babies when it is consumed during pregnancy. Decisive estimates of the prevalence of khat chewing and related risk factors which may increase this practice have not been determined.
  2021-10-31 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42020159580 Registered protocol, no results here: Review Completed published
  Khat and neurobehavioural functions: a systematic review
  Condition or outcome area: Khat is a plant substance mainly consumed in East Africa and the Arabian Peninsula for its psychostimulant effect analog to that of amphetamine. There is a substantial body of literature that suggests prolonged khat use has a negative impact on physical and mental health. To understand the neuropsychological effects of khat use this review seeks to explore the literature on the executive ‘higher-order’ functioning in adults with a khat dependency.
  2020-01-17 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42020145081 Registered protocol, no results here: Review Ongoing
  Prevalence of khat chewing and associated factors during pregnancy in Ethiopia: a systematic review and meta-analysis
  Condition or outcome area: The leafy plant khat, is a stimulant when chewed. It contains the alkaloid cathinone (the stimulant) which is said to cause excitement, loss of appetite, and euphoria. Despite of having such health and economic consequences, khat chewing has been practiced as a stimulant and social custom for thousands of years in the Horn of Africa and Arabian Peninsula. Before the beginning of the twenty-first century only limited amount of khat was chewed; while currently, it has become a highly prevalent hab
  2020-04-28 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record
• Systematic review registration CRD42017082498 Registered protocol, no results here: Review Ongoing
  Does khat (Catha Edulis) increase the risk of oral cancer? A systematic review and meta-analysis
  Condition or outcome area: Oral cancer
  2017-12-20 · Subject: Qiao Cha; 巧茶; Khat; Catha Edulis · open the herb record