The question of whether stevia can cause cancer has been addressed in various studies and medical resources, yielding generally reassuring information regarding its safety.

1. Health Assessments by Regulatory Agencies: The U.S. Food and Drug Administration (FDA) has examined multiple studies concerning artificial sweeteners, including stevia, and found no evidence linking these sweeteners to cancer or other health risks. This conclusion is supported by the National Cancer Institute (NCI), which states that studies have shown no indication that sweeteners cause cancer or significant health harms in humans. For more details, you can read through the resources provided by the FDA here and the NCI here.

2. Moderate Consumption: According to an article from Verywell Health, the consensus in most studies suggests that consuming stevia in moderate quantities is safe and does not present a cancer risk. More information about this can be found here.

3. Potential Cancer Prevention Role: Interestingly, some research highlights the potential anti-cancer properties of Stevia rebaudiana. One study suggests it might help lower glucose blood levels, which can be beneficial for cancer prevention. Further insights can be drawn from the study published in the National Institutes of Health's database, available here.

4. Concerns About Other Sweeteners: Although stevia itself does not appear to pose a cancer risk, there are recent studies that link erythritol (a sweetener sometimes associated with stevia) to health concerns, such as an increased risk of blood clots. For a deeper understanding, refer to the article discussing this association here.

In summary, the prevailing scientific opinion is that stevia is considered safe when consumed in moderation and does not have cancer-causing properties. However, consumers are encouraged to be mindful of the broader context of sweeteners, particularly erythritol, which may carry other health risks.

Sources

Upstate study links ingredient in sweeteners to liver cancerArtificial Sweeteners and Cancer: Aspartame, Erythritol, Stevia & MoreArtificial Sweeteners and Cancer - NCIDoes Stevia Cause Cancer? - Verywell HealthAnti-Cancer Properties of Stevia rebaudiana; More than a SweetenerStevia: Health Benefits and Risks - WebMDErythritol: Sweetener in stevia linked to blood clots, study says | CNN

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